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Two gases A and B having the same volume...

Two gases `A` and `B` having the same volume diffuse through a porous partition in `20` and `10` seconds respectively. The molar mass of `A` is `49 u`. Molar mass of `B` will be

A

25.00 u

B

50.00 u

C

12.25 u

D

6.50 u

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The correct Answer is:
A, B, C
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