what is the mole fraction of oxygen in the tank?
A 5L diving tank is filled to a pressure of 34 atm with He and then is topped off with O2 to a total pressure of 40 atm. what is the mole fraction of oxygen in the tank?
the answer is .15
how do you find this answer?
Partial pressure of oxygen is 40-34=6.
Mole fraction of oxygen [...]