a mixture of gases contains 64g of methane, 64g of oxygen and 64g of sulphur dioxide. The pressure of the mixture is 210 kpa. what is the partial pressure (in kpa) of the methane expected to be?

Answer 1

mols CH4 = grams/molar mass = ?
mols O2 = g/molar mass = ?
mols SO2 = g/molar mass = ?

total mols = mols CH4 + mols O2 + mols SO2
XCH4 = mols CH4/total mols
pCH4 = XCH4*Ptotal