将浓度为0.1mol•L﹣1HF溶液加水不断稀释，下列各量始终保持增大的是

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将浓度为0.1mol•L^﹣¹HF溶液加水不断稀释，下列各量始终保持增大的是（）

A：c（H⁺）

B：K_a（HF）

C： $\frac{c (F^{-})}{c (H^{+})}$

D： $\frac{c (H^{+})}{c (H F)}$

上一题下一题 0.0难度选择题更新时间:2019-05-11 11:09:46

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D

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