A tank contains 480. grams of oxygen and 80.0 grams of helium at a total pressure of 7.00 atm. Calculathte following:
a) How many moles of O2 are in the tank?
b) How many moles of He are in the tank?
c) Total moles of gas in tank.
d) Mole fraction of O2
e) Mole fraction of He
f) Partial pressure of O2
g) Partial oressure of He
h) sum of O2 and He partial pressures.