10. A chemist needs a solution buffered at pH 5.0 and can choose from the following acids (and their

問題詳情

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