試卷名稱:112年 - 112 國立臺灣大學_轉學生招生考試:普通化學(C)#126298
年份:112年
科目:研究所、轉學考(插大)◆普通化學
6. A chemist needs to prepare a solution buffered at pH 4.30 using the following acids and its sodium salt. Consider the ratio of [HA]/[A-] and pKa of each acid, which of the following acid can make the buffer system work best?
(A) Chloroacetic acid
(B) Propanoic acid
(C) Benzoic acid
(D) Hypochlorous acid 