Consider a reaction involving oxygen (O), hydrogen (H), and water (H2O) molecules O+2H H2O taking place in a volume V and in thermal equilibrium at temperature T. Consider that the hydrogen density (nH) is constantly twice the one of the oxygen (no). Also, all the gases involved may be considered as ideal ones with independent particles. Compute the water density nH2O as a function of nO and T. Assume that the masses of water and oxygen molecules are such that mH2O = 18mH and mO = 16mH.