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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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