Given the reaction
SO2(g) + 1/2O2(g) ↔ SO3(g)
occurring at 800 K and 1atm. The initial mixture contains 1 mol of SO2 and 0.5 mol of O2. The reaction mixture can be considered to be an ideal gas.
a) Calculate the equilibrium constant for the reaction.
b) Determine the equilibrium mole fractions of all species.