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# Calculating the Molar Mass of a GasA large evacuated flask ISBN: 9780321696724 27

## Solution for problem 8PE Chapter 10

Chemistry: The Central Science | 12th Edition

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Problem 8PE

Calculating the Molar Mass of a Gas

A large evacuated flask initially has a mass of 134.567 g. When the flask is filled with a gas of unknown molar mass to a pressure of 735 torr at 31 °C, its mass is 137.456 g. When the flask is evacuated again and then filled with water at 31 °C, its mass is 1067.9 g. (The density of water at this temperature is 0.997 g/mL.) Assuming the ideal-gas equation applies, calculate the molar mass of the gas.

Calculate the average molar mass of dry air if it has a density of 1.17 g/L at 21 °C and 740.0 torr.

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##### ISBN: 9780321696724

The full step-by-step solution to problem: 8PE from chapter: 10 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. The answer to “Calculating the Molar Mass of a GasA large evacuated flask initially has a mass of 134.567 g. When the flask is filled with a gas of unknown molar mass to a pressure of 735 torr at 31 °C, its mass is 137.456 g. When the flask is evacuated again and then filled with water at 31 °C, its mass is 1067.9 g. (The density of water at this temperature is 0.997 g/mL.) Assuming the ideal-gas equation applies, calculate the molar mass of the gas.Calculate the average molar mass of dry air if it has a density of 1.17 g/L at 21 °C and 740.0 torr.” is broken down into a number of easy to follow steps, and 105 words. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. Since the solution to 8PE from 10 chapter was answered, more than 336 students have viewed the full step-by-step answer. This full solution covers the following key subjects: mass, Molar, gas, flask, its. This expansive textbook survival guide covers 49 chapters, and 5471 solutions.

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