please solve it with details

EXAMPLE: 4-3 Methane is oxidized with air to produce formaldehyde in a continuous reactor. A competing reaction is the combustion of methane to form CO2. 1. CH4(g) + O2 + HCHO(g) + H2O(v) 2. CH4(g) +202 - CO2 + 2H2O(v) 100 mol/s of methane are fed into the reactor along with equal amount of O, The methane conversion in the process is 40 % and the product stream also contains 50 mol/s of O. Find the composition of the exit stream from the reactor? How many components in the process