A.Na2CO3 | B.Al2(SO4)3 | C.K2SO4 | D.H2SO4 |
A.a点Kw的数值比c点Kw的数值大 |
B.b点溶液的导电性比c点溶液的导电性强 |
C.b点酸的浓度大于a点酸的浓度 |
D.Ⅱ为盐酸稀释时的pH值变化曲线 |
A.CH3COOH电离程度变大 | B.溶液的pH值变小 |
C.溶液的导电能力减弱 | D.溶液中C(H+)减小 |
A.等浓度的HCl、CH3COOH导电能力HCl强于CH3COOH |
B.浓度和体积均相等的H2SO4和CH3COOH消耗NaOH的量,H2SO4大于CH3COOH |
C.1mol/L的CH3COOH溶液中H+浓度小于1mol/L |
D.CH3COOH易挥发 |
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