mariahderenzo mariahderenzo

04-04-2018
Chemistry

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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 :

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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