Question

1 molar mixture of He & $C{H}_4$ is contained in a vessel at 20 bar pressure due to a hole in the vessel. The gas mixture leaks out. What is the composition of the mixture effusing initially?

• A. 8:3
• B. 1:8
• C. 8:1
• D. 2:1

Answer 1

The correct option is D 2:1

conditions are same,

Composition $\alpha \frac{1}{\sqrt{\text{Molar Mass}}}$

$\frac{He}{C{H}_4}=\frac{\sqrt{16}}{\sqrt{4}}=\frac{4}{2}=2:1$