Question

In a reversible reaction Co2+H2--->H2O+Co ,the concentration of Co2 is 0.70 Moles per dm3 and of H2 is 80.38 mole per dm3 and the concentrations of Co and H2O are each 9.46 moles per dm3.What is the value of the equilibrium constant K
A)0.168
B)0.233
C)0.628
D)1.591