化學溶液計算題 - 酒精
By Delia
at 2013-06-12T00:00
at 2013-06-12T00:00
Table of Contents
20度C時的比重為0.998,乙醇比重為0.789,若在50毫升水中加入乙醇而成體積為100毫升的溶液,此時的溶液為0.923,則酒精之重量百分率濃度為多少??拜託幫忙解題一下!!
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酒精
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By Candice
at 2013-06-14T00:10
at 2013-06-14T00:10
By Ivy
at 2013-06-16T14:39
at 2013-06-16T14:39
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