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An unknown gas 'X' diffuses four times a...

An unknown gas 'X' diffuses four times as quickly as oxygen. The molar mass of the unknown gas is `:`

A

2

B

64

C

4

D

32

Text Solution

Verified by Experts

The correct Answer is:
A
If rate of diffusion of `O_(2)` is x, then rate of diffusion of unknown gas is 4x.
`( 4x)/( x) = sqrt(( 32)/( M))`
or M = 2
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