Question

If an ideal gas sample at 534 torr pressure occupies 345 mL at 25°C, how many moles of that gas are present? Report your answer to 3 significant figures.

If If an ideal gas occupies 736 mL at 45°C and 719 torr, what volume will it occupy at 105°C and 972 torr? Report your answer in mL to 3 significant figures.

A 2.43 g sample of a gaseous compound has a pressure of 496 torr in a volume of 250 mL at 37°C. What is its molar mass? Report your answer to 3 significant figures