A 3.0-l sample of helium was placed in a container fitted with a porous membrane. half of the helium effused through the membrane in 24 hours. a 3.0-l sample of oxygen was placed in an identical container. how many hours will it take for half of the oxygen to effuse through the membrane?

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Chemistry

Georgia Ryan

17 August, 10:19

A 3.0-l sample of helium was placed in a container fitted with a porous membrane. half of the helium effused through the membrane in 24 hours. a 3.0-l sample of oxygen was placed in an identical container. how many hours will it take for half of the oxygen to effuse through the membrane?

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Lucy Perez · Answer 1

Answer: M in this equation is molar mass. If A is He and B is O2 then MA = 4 g/mol and MB = 32 g/mol rate A = 1.5L/24hr rate B = 1.5L/? hr and rateA/rateB = ?/24