文档介绍：无机化学实验(2)((2))Whyshouldthesolutionbestronglyacidicwhenpreparingferrousammoniumsulfate?Answer:ponentsofsolutionchanged,sothattheoriginalsolutionwasbad,,ferrousionsandhydroxylionswithionizedwater,,whilemaintainingthestrongacidisaddedtotheacidsolution,theincreaseoftheconcentrstionofhydrogenions,duetohydrolysisequilibrium,thehydrogenionconcentrationincreases,inhibitedthehydrolysisoftwokindsofcations,therefore,position,notbad,so,,thepHoftheFeS04solutioniscontrolledbetween1~2,andiftheacidityofthesolutionisreduced,theextentoftheactionofFe2+intheferrousironwithwaterwillbeincreased,andwhentheacidityislow,Fe2+willbemoreeasilyoxidized・Inthepreparationof(NH4)2S04,FeS04,6H20,thesolutionneedstomaintainenoughacidity・?Therateequationforthereactionism+n;theMiscalledtheAnumber(Partial,order,of,A);theniscalledtheBnumberofthereactant(Partial,order,of,B);(b)theseriesofreactions・Forprimitivereactions,m=a,n=b,m+n二a+b,anda,Baresimpleintegers・Thelargerthereactionorder,thegreatertheeffectoftheconc