An Ideal Gas Mixture Whose Apparent Molar Mass Is 48

Multiple Choice

An ideal gas mixture whose apparent molar mass is 48 kg/kmol consists of nitrogen N₂ and three other gases. If the mole fraction of nitrogen is 0.24, its mass fraction is

A) 0.24
B) 0.14
C) 0.41
D) 0.86
E) 0.70