At 27° C hydrogen is leaked through a tiny hole into a vessel for 20 min. Another unknown gas at the same temperatu

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Q 1117701680.     At 27° C hydrogen is leaked through a tiny hole into a vessel for 20 min. Another unknown gas at the same temperature and pressure as that of hydrogen is leaked through same hole for 20 min. After the effusion of the gases the mixture exerts a pressure of 6 atm. The hydrogen content of the mixture is 0.7 mole. If the volume of the container is 3 L, find the molecular weight of the unknown gas.
JEE 1992
A

1020

B

960

C

825

D

1230

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