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20-07-2022
Chemistry

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A gas diffuses 1/8 times faster than hydrogen gas. what is the molar mass of the gas?
129.02 g/mol
136.44 g/mol
140.81 g/mol
145.45 g/mol

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djp6182583 djp6182583

20-07-2022

Answer:

129.02 g/mol.

Explanation:

We apply grahams law of diffusion:

1/8 = √2.016/√m where m = molar mass

√m = 8√2.016

m = (8√2.016) = 129.02 g/mol.

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