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硝酸钾溶于水吸热还是放热
更新时间: 2020-10-08 00:00:00  

硝酸钾或硝酸铵溶解在水里,溶液的温度会显著降低。

溶于水的过程中吸热的有:绝大多数的硝酸盐,例如硝酸钾、硝酸铵。

溶于水的过程中放热的有:氢氧化钠固体、熟石灰、浓硫酸。

溶于水的过程中几乎没有热量变化的有:食盐、蔗糖等。

关键词: 硝酸钾 吸热 还是 放热

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