sample of oxygen gas

A sample of oxygen gas (O_2) was found to effuse at a rate equal to three times that of an unknown gas. The molecular weight of the unknown gas is __________ g/mol.

A) 288
B) 96
C) 55
D) 4
E) 10.7

1 answer

Selena Tate Staff June 13, 2015

A sample of oxygen gas (O_2) was found to effuse at a rate equal to three times that of an unknown gas. The molecular weight of the unknown gas is __________ g/mol.
Solution:
288

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