What is the molar mass of a gas if it takes 0.64 min to effuse through a small hole and 2.4 min for the same amount of N2 to effuse through the same hole?
A) 64 g/mol
B) 2.0 g/mol
C) 4.0 g/mol
D) 88 g/mol
E) none of these
Correct Answer:
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