試題詳解

28 What are the ionic strength and pH of the buffer solution consisting of 0.1 M CH₃COOH (pK_a = 4.76) and 0.1 M CH3COONa?
(A) 0.1 M, pH 4.76
(B) 0.2 M, pH 5.76
(C) 0.3 M, pH 3.76
(D) 0.4 M, pH 2.76
(E) 0.6 M, pH 6.76