The equilibrium of the homogeneous system in the gas phase 4HCl + O2 = 2H2O + 2Cl2 was established at the following concentrations [H2O] = 0.14 mol/l; [Cl2] = 0.14 mol/l; [HCl] = 0.20 mol/l; [O2] = 0.32 mol/l. Calculate the initial concentrations of hydrogen chloride and oxygen