95. Solving a chemistry problem

56. In problems 41-60, determine for the given gas-phase reaction aA bB↔cC dD the temperature at which equilibrium is established in the system. Calculate the equilibrium composition of the mixture (mol/l) at this temperature if the initial concentration of reactants A and B is known, and the reaction products C and D are absent from the initial mixture. Take the thermodynamic equilibrium constant k0 at the equilibrium temperature to be equal to the equilibrium constant Kx
Reaction equation concentration, mol/l A B
CoCl2↔Co Cl2 3.0 -