neathmeas neathmeas

15-09-2016
Chemistry

Answered

3L of a gas weighs 2g.What is the molecular mass?

Verified Answer :

15-09-2016

In STP

If 3dm³ -------------- 2g
22,4dm³ ----------x

22,4dm³*2g
x = ----------------------- = 14,93g
3dm³

M = 14,98 g/ mol

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