Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 month ago

The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 70 s for the gas to effuse, whereas...?

The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 70 s for the gas to effuse, whereas nitrogen gas required 48 s. The molar mass of the gas is:

A.34 g/mol

B.23 g/mol

C.13 g/mol

D.41 g/mol

E.60 g/mol

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  • 1 month ago

    (70 s / 48 s)^2 x (28.01344 g N2/mol) = 59.6 g/mol

    So answer E.

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