Chlorine pentafluoride gas is collected at 23.0 °C in an

Last updated: 7/4/2022

Chlorine pentafluoride gas is collected at 23.0 °C in an evacuated flask with a measured volume of 45.0 L. When all the gas has been collected, the pressure in the flask is measured to be 0.440 atm. Calculate the mass and number of moles of chlorine pentafluoride gas that were collected.