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17-04-2018
Chemistry

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What is the molar mass for a gas that effuses 0.344 times as fast as hydrogen gas?

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mkryukova19 mkryukova19

17-04-2018

rate of effusion gas/rate of effusion H2 = √(M(H2))/√(M(gas))
0.344= √2/√(M(gas))
√(M(gas))= √2/0.344
M(gas)= (√2/0.344)² =2/(0.344)² ≈16.9

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