Question

A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP.

How do you calculate the mole fraction of each gas?

Answer 1

mole fraction N2 = moles N2/total number of moles.
moles fraction CO2 = moles CO2/total moles.
etc.