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13问答网 > C=w×p×1000÷M是如何推导出来的？

C=w×p×1000÷M是如何推导出来的？

2025-03-16 09:47:14

推荐回答（1个）

回答1：

我们常见的密度p单位是g/ml g/cm3,
所以p*1000是每升溶液的质量 g/L
w是溶质占溶液的质量分数则w*p*1000是每升溶液中溶质的质量
再除以溶质的式量M 即为每升溶液中含有的溶质的物质的量
即溶质物质的量浓度C=w×p×1000÷M

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