acid base equilibrium review：酸碱平衡的回顾

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1、AcidBaseEquilibriumReview1.Achemistdesirestocreateabuffersolutionbeginningwith1.00literof0.200MNH3.HowmanymolesofgaseousHClmustbeintroducedinordertoproduceabufferofmaximumcapacity.Assumenoincreaseinsolutionvolume.A.      0.500molHClB.      None-thesolutionisalr

2、eadybufferedC.      0.300molHClD.      0.100molHClE.      0.200molHCl2.Abuffersolutionispreparedthatis0.50Minpropanoicacidand0.40Minsodiumpropanoatewithasolutionvolumeof1.00liters.(Kaforpropanoicacid=1.3x10-5).WhatisthepHofthesolutionwhen0.060molofNaOH(s)isadde

3、dtothesolution?Assumenochangeinsolutionvolume.A.      4.67B.      4.77C.      3.97D.      4.91E.      4.973.WhatisthepHofasolutionthatis0.50Minpropanoicacidand0.40Minsodiumpropanoate.(Kaforpropanoicacid=1.3x10-5)A.      0.097B.      -4.98C.      4.79D.      4.9

4、8E.      0.474.Whichofthefollowingpairsofcompoundscouldcreateasuitablebuffersystem?A.      sodiumchlorideandsodiumhydroxideB.      ammoniaandpotassiumhydroxideC.      sodiumacetateandaceticacidD.      sodiumsulfateandsodiumhydroxideE.      carbonicacidandsodium

5、chloride5.Supposeyouaregiven0.50literof0.500Maceticacid,and0.50literof0.250litersodiumacetate.WhatisthemaximumvolumeofbuffersolutionthatyoucanmakeifthebuffermusthaveapHof4.58?Kaforaceticacidis1.8x10-5.A.     0.91literB.     0.78literC.     0.287literD.     0.86

6、literE.     0.50liter1.Theimageaboveshowsthetitrationofa:A.      strongacidwithastrongbaseB.      weakbasewithastrongbaseC.      WeakacidwithastrongacidD.      StrongacidwithaweakbaseE.      Weakacidwithastrongbase2.Abuffersolutionispreparedthatis0.50Minpropano

7、icacidand0.40Minsodiumpropanoatewithasolutionvolumeof1.00liters.(Kaforpropanoicacid=1.3x10-5).WhatisthepHofthesolutionwhen0.040molofHCl(g)isaddedtothesolution?Assumenochangeinsolutionvolume.A.      4.71B.      4.87C.      4.91D.      4.78E.      5.063.TheKspofB

8、aSO4is1.5x10-9.WhatisthemolarconcentrationofBa2+(aq)inasaturatedsolutionofBaSO4?A.      6.7x10-15MB.      1.7x10-2MC.      2.45x10-5MD.      3.9x10-5ME.      2.25x10-18M4.Su