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如何配制8%的蔗糖溶液?
人气:213 ℃ 时间:2020-06-04 22:56:29
解答
蔗糖占蔗糖溶液的质量,即:m糖/(m糖+m水)=8/100 计算设溶液质量为m,水的质量为a,则蔗糖质量为m-a;又因为(m-a)/m=8%,所以a=92%m,1.先用量筒城区体积为a毫升的水2.调整托盘天平至平衡,然后在两个托盘上各放一张纸...
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