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Sulphur vapour (Sn) diffuses through a p...

Sulphur vapour `(S_n)` diffuses through a porous plug at `0.354` rate of diffusion of `O_(20` gas under similar condition of `P` and `T` Find the value of n .

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The correct Answer is:
8
`(rS_(n))/(r_(O_(2))) = sqrt((M_(O_(2)))/M_(S_(n)))rArr0.354 =sqrt((32)/(M_(S_(n))))`
`:.M_(S_(n)) = 255.38`
or `n xx 32 =255.38`
or `n =8` .
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