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05/10/2020 11:07 am
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For the diffusion of a gas at pressure P, the rate
of diffusion is expressed by:
(a) r ∝ 1/√M
(b) r = P/M
(c) r ∝ M/√P
(d) r = P/√M
1 Answer
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05/10/2020 11:12 am
(a) r ∝ 1/√M
Explanation:
According to Graham's law of diffusion or effusion "under similar conditions of temperature and pressure, rate of diffusion is inversely proportional to square root of molecular weight" r ∝ 1/√M.