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8.6SECTION88.2EQUILIBRIUMCONSTANTSDEAN#37261(McGHP)LEFTINTERACTIVEtopofrhbaseofrhcapheightbaseoftextshortstandardlongTABLE8.5IonicProductConstantofWaterThistablegivesvaluesofpKwonamolalscale,whereKwistheionicactivityproductconstantofwater.ValuesarefromW.L.MarshallandE.U.Franck,J.Phys.Chem.Ref.Data,10:295(1981).Temp.,CpKwTemp.,CpKwTemp.,CpKw014.9384513.4059512.345514.7275013.27510012.2641014.5285513.15212511.9111514.3406013.03415011.6371814.2336512.92117511.4312014.1637012.81420011.2882513.9957512.71122511.2073013.8368012.61325011.1923513.6858512.52027511.2514013.5429012.43130011.406TABLE8.6SolubilityProductConstantsThedatarefertovarioustemperaturesbetween18and25C,andwerecompiledfromvaluescitedbyBjerrum,Schwarzenbach,andSillen,StabilityConstantsofMetalComplexes,partII,ChemicalSociety,London,1958,andvaluestakenfrompublicationsoftheIUPACSolubilityDataProject:SolubilityDataSeries,InternationalUnionofPureandAppliedChemistry,PergamonPress,Oxford,1979–1992;H.L.Clever,andF.J.Johnston,J.Phys.Chem.Ref.Data,9:751(1980);Y.Marcus,Ibid.9:1307(1980);H.L.Clever,S.A.Johnson,andM.E.Derrick,Ibid.14:631(1985),and21:941(1992).Inthetable,“L”istheabbreviationoftheorganicligand.CompoundFormulapKspKspActiniumhydroxideAc(OH)31511015AluminumarsonateAlAsO415.801.61016cupferrateAlL318.642.31019hydroxideAl(OH)332.891.31033phosphateAlPO420.019.8410218-quinolinolateAlL329.001.001029selenideAl2Se324.441025sulfideAl2S36.72107Americium(III)hydroxideAm(OH)319.572.71020(IV)hydroxideAm(OH)45611056AmmoniumuranylarsenateNH4UO2AsO423.771.71024Arsenic(III)sulfideAs2S321.682.11022ELECTROLYTES,EMF,ANDCHEMICALEQUILIBRIUM8.7TABLE8.6SolubilityProductConstants(Continued)CompoundFormulapKspKspDEAN#37261(McGHP)RIGHTINTERACTIVEtopofrhbaseofrhcapheightbaseoftextshortstandardlongBariumarsenateBa3(AsO4)250.118.01051bromateBa(BrO3)25.502.43104carbonateBaCO38.592.58109chromateBaCrO49.931.171010ferricyanide6-hydrateBa2[Fe(CN)6]·6H2O7.493.2108fluorideBaF26.741.84107hexafluorosilicateBaSiF661106hydrogenphosphateBaHPO46.493.2107hydroxide8-hydrateBa(OH)2·8H2O3.592.55104iodatehydrateBa(IO3)2·H2O8.404.01109molybdateBaMoO47.453.54108niobateBa(NbO3)216.503.21017nitrateBa(NO3)22.334.64103oxalateBaC2O46.791.6107oxalatehydrateBaC2O4·H2O7.642.3108permanganateBa(MnO4)29.612.51010perrhenateBa(ReO4)21.285.2102phosphateBa3(PO4)222.473.41023pyrophosphateBa2P2O710.503.210118-quinolinolateBaL28.305.0109selenateBaSeO47.473.40108sulfateBaSO49.971.081010sulfiteBaSO39.305.01010thiosulfateBaS2O34.791.6105Berylliumcarbonate4-hydrateBeCO3·4H2O31103hydroxide(amorphous)Be(OH)221.166.921022molybdateBeMoO41.493.2102niobateBe(NbO3)215.921.21016BismutharsenateBiAsO49.354.431010cupferrateBiL327.226.01028hydroxideBi(OH)330.46.01031iodideBiI318.117.711019oxidebromideBiOBr6.523.0107oxidechlorideBiOCl30.751.81031oxidehydroxideBiO(OH)9.441010oxidenitrateBiO(NO3)2.552.82103oxidenitriteBiO(NO2)6.314.9107oxidethiocyanateBiO(SCN)6.801.6107phosphateBiPO422.891.31023sulfideBi2S39711097CadmiumanthranilateCdL28.275.4109arsenateCd3(AsO4)232.662.21033benzoate2-hydrateCdL2·2H2O2.72103borate,metaCd(BO2)28.642.3109carbonateCdCO312.01.01012cyanideCd(CN)28.01.0108ferrocyanideCd2[Fe(CN)6]16.493.21017fluorideCdF22.196.441038.8SECTION8TABLE8.6SolubilityProductConstants(Continued)CompoundFormulapKspKspDEAN#37261(McGHP)LEFTINTERACTIVEtopofrhbaseofrhcapheightbaseoftextshortstandardlonghydroxideCd(OH)2fresh14.147.21015iodateCd(IO3)27.602.5108oxalate3-waterCdC2O4·3H2O7.851.42108phosphateCd3(PO4)232.602.531033quinaldateCdL212.305.01013sulfideCdS26.108.01027tungstateCdWO45.72106Calciumacetate3-waterCa(OAc)2·3H2O2.44103arsenateCa3(AsO4)218.176.81019benzoate3-waterCaL2·3H2O2.44103carbonateCaCO38.542.8109carbonate(calcite)CaCO38.473.36109carbonate(aragonite)CaCO38.226.0109carbonatomagnesiumCa[Mg(CO3)2]dolomite1111011chromateCaCrO43.157.1104fluorideCaF28.285.3109hexafluorosilicateCa[SiF6]3.098.1104hydrogenphosphateCaHPO47.01.0107hydroxideCa(OH)25.265.5106iodate6-waterCa(IO3)2·6H2O6.157.10107molybdateCaMoO47.841.46108niobateCa(NbO3)217.068.71018oxalatehydrateCaC2O4·H2O8.632.32109phosphateCa3(PO4)228.682.0710298-quinolinolateCaL211.127.61012selenateCaSeO43.098.1104seleniteCaSeO35.538.0106silicate,metaCaSiO37.602.5108sulfateCaSO44.314.93105sulfatedihydrateCaSO4·2H2O4.503.14105sulfiteCaSO37.176.8108sulfite0.5-waterCaSO3·0.5H2O6.513.1107tartratedihydrateCaL·2H2O6.117.7107tungstateCaWO48.068.7109Cerium(III)fluorideCeF315.181016(III)hydroxideCe(OH)319.801.61020(IV)hydroxideCe(OH)447.721048(III)iodateCe(IO3)39.503.21010(IV)iodateCe(IO3)416.351017(III)oxalate9-waterCe2(C2O4)3·9H2O25.503.21026(III)phosphateCePO42311023(III)seleniteCe2(SeO3)324.433.71025(III)sulfideCe2S310.226.01011(III)tartrateCe2L319.01.01019CesiumbromateCsBrO31.75102chlorateCsClO31.44102cobaltihexanitriteCs3[Co(NO2)6]15.245.71016hexachloroplatinate(IV)Cs2[PtCl6]7.503.2