A chemist notices that a gas (measured to have a molar mass of 18.02 g/mol) diffuses approximately 3.13 times as fast as a different unknown gas. Calculate the molar mass of the different unknown gas. Recall: Vo (1/P) (at constant Tand n) VoT (at constant P and n) Voxn (at constant Tand P) PV - nRT rate of effusion ox 1 atm = 760 torr = 760 mmHg R-8.31446 J- K1. mol-1 R=0.0820573L atm - K1. moi1

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A chemist notices that a gas (measured to have a molar mass of 18.02 g/mol) diffuses approximately 3.13 times as fast as a different unknown gas.
Calculate the molar mass of the different unknown gas.
Recall:
V (1/P) (at constant T and n)
VT (at constant P and n)
Van (at constant Tand P)
PV = nRT
%3D
rate of effusion ox
VM
1 atm 760 torr = 760 mmHg
%3D
R= 8.31446 J - K-1.mol-1
R= 0.0820573 L atm K1.
.mol 1
%3D
Transcribed Image Text:A chemist notices that a gas (measured to have a molar mass of 18.02 g/mol) diffuses approximately 3.13 times as fast as a different unknown gas. Calculate the molar mass of the different unknown gas. Recall: V (1/P) (at constant T and n) VT (at constant P and n) Van (at constant Tand P) PV = nRT %3D rate of effusion ox VM 1 atm 760 torr = 760 mmHg %3D R= 8.31446 J - K-1.mol-1 R= 0.0820573 L atm K1. .mol 1 %3D
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