6) A container consists of 20% oxygen, 20% nitrogen, 60% hydrogen. If the total pressure is 75.0 atm, what is the partial pressure of hydrogen in the container ?
Note: there are times the mole fraction "x" is not given by a percent. To get this you need to take the total amount of moles that make up a certain part of the system divided by the total amount of moles in the system.