33. 為配置適用於 pH>4.0 且最接近 pH 4.0 之緩衝液(buffer),哪一個弱酸(weak acid)水溶液可 與等當量(equivalent)的強鹼(strong base)進行配置最為適當?
(A) Hydrofluoric acid, HF;
(B) Lactic acid , HLAc;
(C) Acetic acid, HC2H3O4;
(D) Benzoic acid, HC7H5O2; 
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統計: A(16), B(31), C(32), D(184), E(0) #3294463
統計: A(16), B(31), C(32), D(184), E(0) #3294463