A.电离程度相同 | B.pH值相同 |
C.物质的量浓度相同 | D.c(OH-)相同 |
A.Va>Vb时:c(CH3COOH) +c(CH3COO-)>c(K+) |
B.Va=Vb时:c(CH3COOH) +c(H+)=c(OH-) |
C.Va<Vb时:c(CH3COO-)> (K+)>c(OH-)> c(H+) |
D.Va与Vb任意比时:c(K+)+ c(H+) = c(OH-)+ c(CH3COO-) |
A.a﹥b=c | B.a﹥c ﹥b | C.c ﹥a﹥b | D.b﹥ c ﹥a |
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