問題詳情
5. Which of the following acids and its sodium salt are the best combination for buffering asolution at pH 4.30?
(A) benzoic acid
(B) propanoic acid
(C) chloroacetic acid
(D) hypochlorous acid
(E) all of the above are similar
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增