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23 Nov 2019
A gas of unknown molecular mass was allowed to effuse through asmall opening under constant-pressure conditions. It required 115 sfor 1.0 L of the gas to effuse. Under identical experimentalconditions it required 30 s for 1.0 L of O2 gas to effuse.
Calculate the molar mass of the unknown gas. (Remember that thefaster the rate of effusion, the shorter the time required foreffusion of 1.0 L; that is, rate and time are inverselyproportional.)
A gas of unknown molecular mass was allowed to effuse through asmall opening under constant-pressure conditions. It required 115 sfor 1.0 L of the gas to effuse. Under identical experimentalconditions it required 30 s for 1.0 L of O2 gas to effuse.
Calculate the molar mass of the unknown gas. (Remember that thefaster the rate of effusion, the shorter the time required foreffusion of 1.0 L; that is, rate and time are inverselyproportional.)
Jarrod RobelLv2
6 Feb 2019
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