neathmeas neathmeas
  • 15-09-2016
  • Chemistry
contestada

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

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Yipes
Yipes Yipes
  • 16-09-2016
In STP

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

M = 14,98 g/ mol
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