The following equilibrium exists in aqueous solution, `CH_(3)COOH hArr CH_(3)COO^(-) + H^(+)` if dil. HCl is added, without change in temperature, the
A. Concentration of `CH_(3)COO^(-)` will increase
B. Concentration of `CH_(3)COO^(-)` will decrease
C. The equilibrium constant will increase
D. The equilibrium constant will decrease