試題詳解

57. If the molarity a 0.70 M solution ofhypochlorous acid，HCIO was decreased to 0.3 M, which of the following statements would be true?
(A) The percent dissociation would not change.
(B) The percent dissociation would increase.
(C) The percent dissociation would decrease.
(D) The equilibrium constant would stay the same.
(E) Two of these.