7. Gases - Part 2 of 4
7. Gases / The Ideal Gas Law: Molar Mass / Problem 9
A 250 mL evacuated flask has a mass of 112.78 g when filled with 378 torr of an unknown gas at 29.0 °C. What is the molar mass of the unknown gas if the mass of the 250 mL evacuated flask is 112.36 g?
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