7. Gases
The Ideal Gas Law: Molar Mass
7. Gases The Ideal Gas Law: Molar Mass
3PRACTICE PROBLEM
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?
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?