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A 4 : 1 mixture of helium and methane co...

A `4 : 1` mixture of helium and methane contained in a vessel at 10 bar pressure. During a hole in the vessel, the gas mixture leaks out. The composition of the mixture effusing out initially is

A

`8:1`

B

`8:3`

C

`4:1`

D

`1:1`

Text Solution

Verified by Experts

The correct Answer is:
A
Pressure of helium=8 bar
Pressure of `CH_(4)=2` bar
`(r_(He))/(r_(CH_(4)))=(P_(1))/(P_(2))sqrt((M_(CH_(4)))/(M_(He)))=(8)/(2)sqrt((16)/(2))=(8)/(1)=8:1`
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