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A 3.0 L sample of helium gas was placed in a container filled with a porous...

A 3.0 L sample of helium gas was placed in a container filled with a porous membrane. Half of the helium gas effused through the membrane in 12.4 hours. A 3.0 L sample of fluorine gas was placed in an identical container. How many hours will it take for half of the fluorine gas to effuse through the membrane? (Please show work written down)

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