阿摩線上測驗
5. Which of the following acids and its sodium salt are the best combination for buffering a solution at pH 4.30?
(A) benzoic acid 
(B) propanoic acid 
(C) chloroacetic acid 
(D) hypochlorous acid 
(E) all of the above are similar
答案：登入後查看
統計： A(1), B(0), C(0), D(0), E(0) #3142325
統計： A(1), B(0), C(0), D(0), E(0) #3142325
