aqueous equilibria © 2009, prentice-hall, inc. chapter 17 additional aspects of aqueous...
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Aqueous Equilibria © 2009, Prentice-Hall, Inc. The Common-Ion Effect Consider a solution of acetic acid: If acetate ion is added to the solution, Le Châtelier says the equilibrium will shift to the left. CH 3 COOH (aq) + H 2 O (l) H 3 O + (aq) + CH 3 COO − (aq)