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【单选题】
下列说法正确的是A.
0.01 mol·L －1 氨水与0.01 mol·L －1 盐酸等体积混合，所得溶液中c(H + )＝c(OH － )
B.
氯水中离子浓度大小关系是：c(H + )＞c(Cl － )＞c(OH － )＞c(ClO － )
C.
25℃时，将pH＝a的醋酸溶液稀释10倍后，溶液的pH＝b，则a＞b
D.
25℃时， ＝0.1 mol·L －1 的溶液中，Na + 、CO 3 2 － 、Cl － 一定能大量共存
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