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Question: When r, P and M represent rate of diffusion, pressure and molecular mass, respectively, then the rat...

When r, P and M represent rate of diffusion, pressure and molecular mass, respectively, then the ratio of the rates of diffusion (rA/rB) of two gases A and B, is given as:

A

(PA/PB) (MB/MA)1/2

B

(PA/PB)1/2 (MB/MA)

C

(PA/PB) (MA/MB)1/2

D

(PA/PB)1/2 (MA/MB)

Answer

(PA/PB) (MB/MA)1/2

Explanation

Solution

r∝pM\mathrm { r } \propto \frac { \mathrm { p } } { \sqrt { \mathrm { M } } }