Social Sciences, asked by Mahiikhan6489, 1 year ago

How to calculate the average molecular mass of air?

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Answered by IvanDeol

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Example #1: The density of a gas is measured at 1.853 g / L at 745.5 mmHg and 23.8 °C. What is its molar mass? Solution #1: Convert mmHg to atm and °C to K. Use 1.000 L. Plug into PV = nRT and solve for n. Then divide 1.853 g by n, the number of moles, for your answer. The (745.5/760) term converts mmHg to atm.

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