At a pressure of 1 atm and a temperature of 20oC, dry air has a density of 1.2256 g/L. What is the (average) molar mass of dry air?

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter13: Gases
Section13.2: The Ideal Gas Law
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At a pressure of 1 atm and a temperature of 20oC, dry air has a density of 1.2256 g/L. What is the (average) molar mass of dry air?

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