将60℃饱和的硝酸钾溶液降温至20℃，没有发生变化的是
侯英超 |
发布日期：2010-07-02 06:35:22
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将60℃饱和的硝酸钾溶液降温至20℃，没有发生变化的是…………………………（ ） A．溶液的质量 B．溶液里溶质的质量 C．溶液里溶剂的质量 D．溶液里溶质的质量分数 |
