若将一瓶浓盐酸和一瓶浓硫酸敞口放置在空气中，一段时间后可以肯定的是
侯英超 |
发布日期：2010-06-18 10:25:15
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若将一瓶浓盐酸和一瓶浓硫酸敞口放置在空气中，一段时间后可以肯定的是： A．质量都增大 B.溶液的酸性都增强 C．溶质的质量分数都减小 D.溶液的pH都变小 |
