Consider an ideal gas mixture of n species. (a) Derive an equation for determining the mass fraction of species i from knowledge of the mole fraction and the molecular weight of each of the n species. Derive an equation for determining the mole fraction of species i from knowledge of the mass fraction and the molecular weight of each of the n species. (b) In a mixture containing equal mole fractions of O2, N2, and CO₂, What is the mole fraction of each species?
