If both oxygen and helium gases are at the same temperature, the rate of diffusion of $O_{2}$ is very close to

Question

Dr. Abubacker · Accepted Answer

(c)
According to Graham’s law of diffusion
$\ \ \ \ \frac{r_{O_{2\ }}}{r_{He}} = \sqrt{\frac{M_{He}}{M_{O_{2}}}}$
$or\ \ \ \ \ \  = \sqrt{\frac{4}{32}} = \frac{1}{2.83}$
$	herefore r_{O_{2}} = 0.35\ r_{He}$

Q. If both oxygen and helium gases are at the same temperature, the rate of diffusion of $O_{2}$ is very close to

Explanation

Reviewed by Dr. Abubacker

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