濃度ppm的問題~ - 酒精
By Audriana
at 2010-10-04T00:00
at 2010-10-04T00:00
Table of Contents
我有一個腔體體積為3400mL,我要在腔體裡面注入多少的95%酒精(分子量46,密度0.789g/mL),才能讓酒精的濃度為100ppm,1000ppm??
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酒精
All Comments
By John
at 2010-10-07T09:39
at 2010-10-07T09:39
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