Will the concentrations of reactants and products always be the same in every equilibrium mixture of a particular reaction at a given temperature? Explain.
The concentrations of reactants and products are not equal at equilibrium reaction. But the forward and reverse reactions are in balance at equilibrium. Thus. there is no net change in the concentrations of the reactants or products. Therefore, equilibrium constant is used to identify the concentration of the reactant and products at equilibrium.
aA + bB cC + dD
Thus, K = [C]c[D]d/[A]a[B]b
Therefore, It follows the Law of mass action.