mariahderenzo
mariahderenzo mariahderenzo
  • 04-04-2018
  • Chemistry
contestada

A gas that effuses through a porous cylinder 1.87 times faster than chlorine gas. what is the molar mass and identity.

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Respuesta :

jamuuj jamuuj
  • 13-04-2018
From the Graham's law of effusion;
R1/R2 = √MM2/√MM1
Molar mass of chlorine gas is 71
Therefore;
1.87= √ 71 /√mm1
= 1.87² = 71/mm1 
mm1 = 71/1.87²
         = 71/3.4969
         = 20.3
Thus, the molar mass of the other gas is 20.3 , and i think the gas is neon
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