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水和盐水哪个密度大
更新时间: 2020-11-01 00:00:00  

盐水的密度大。盐水的密度高于水的密度。水的密度是1g/cm³,盐水的密度大于1g/cm³。盐水的密度取决于溶液的浓度,饱和食盐水的密度是1.33g/cm³。当家中有灰尘或污垢时,在脏处泼上一些盐水,即可达到杀菌的效果,原理为利用盐水的渗透压,令细菌失去水分。

关键词: 盐水 哪个 密度

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