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Two containers A and B have the same vol...

Two containers A and B have the same volume. Container A contains 5 moles of `O_2` gas. Container B contains 3 moles of He and 2 moles of `N_2`. Both the containers are separately kept in vacuum at the same temperature. Both the containers have very small orifices of the same area through which the gases leak out. Compare the rate of effusion of `O_2` with that of He gas mixture.

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