pipermullin8 pipermullin8 07-03-2024 Chemistry contestada 7. A sample of O₂(g) and He(g) is found to have a total pressure of 150 kPa. If the pressure of O₂(g) is 100 kPa and there are 6 moles of O₂(g) in the flask, how many moles of He(g) must be in the flask?