阿摩線上測驗
10. A chemist needs a solution buffered at pH 5.0 and can choose from the following acids (and their sodium salts):
Which system will work best?
(A) propanoic acid
(B) chloroacetic acid
(C) benzoic acid
(D) hypochlorous acid
(E) salicylic acid
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統計： A(5), B(0), C(2), D(0), E(1) #3297729
統計： A(5), B(0), C(2), D(0), E(1) #3297729
