73. The concentration of a monoprotic acid is “a” M and the degree of dissociation of the acid is “b”. What is its Ka?
(A) b2 /(a-b)
(B) ab2 /(1-a)
(C) a2b2 /(1+a)
(D) ab2 /(1-b)
(E) a2b2 /(1-b)
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統計: A(4), B(1), C(0), D(22), E(1) #3101824
統計: A(4), B(1), C(0), D(22), E(1) #3101824