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为什么乙醇溶液浓度越大密度越小
更新时间: 2020-09-19 00:00:00  

以乙醇溶液为例。水的密度是1g/cm3,无水酒精的相对密度是0.7893g/cm3。由于酒精和水可以无限互溶,既有水多醇少的稀溶液,也可以是醇多水少的浓溶液。如果是前者,稀酒精溶液的密度当然趋于1,如果是后者,酒精浓溶液的密度自然小到趋于0.7893。

关键词: 为什么 乙醇 溶液 浓度 密度

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