作者scotttimmy (Jesse Cheng)
看板Chemistry
标题[实验] 原文书的英文看不懂~~
时间Mon Oct 13 23:29:36 2008
Weigh about 1.5g of your solid unknown to the nearest 0.001g and record the mass.
Using a pipet or a wash bottle, half fill s clean, dry 10-ml graduate cylinder with a solvent in which your unknown is insoluble.
这两句看不太懂~~有人可以帮忙解读一下吗??
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1F：推 turtleleo:称约1.5克 你的固体 unknown 准确到小数点後三位 10/13 23:49
2F：→ turtleleo:然後记录mass. 也就是说 举例 克数约为 1.434克 10/13 23:50
3F：推 turtleleo:然後用滴管或Wash bottle 加入溶剂 10ml 用量筒侧 10/13 23:56
4F：→ turtleleo:然後加入你的solid unknown 10/13 23:56