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如何配制50的乙醇溶液
更新时间： 2020-09-24 00:00:00  

1、如果是质量浓度，各称取50克蒸馏水与50克无水乙醇，混合均匀即可；

2、如果是体积浓度，要通过量筒量取50毫升蒸馏水与50毫升无水乙醇混合均匀即可；

3、如果用的乙醇浓度小于50%，加乙醇，浓度大于50%，加水即可。

关键词： 如何 配制 乙醇 溶液

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