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8 某一弱酸的 pKa 值分別為 4.39 和 5.42,則其緩衝範圍(buffering range)之 pH 值約為多少?(A) 3.39~5.42 (B) 3.39~6.42 (C) 4.39~
問題詳情
8 某一弱酸的 pKa 值分別為 4.39 和 5.42,則其緩衝範圍(buffering range)之 pH 值約為多少?
(A) 3.39~5.42
(B) 3.39~6.42
(C) 4.39~5.42
(D) 4.39~6.42
參考答案
答案:B
難度:簡單0.854902
統計:A(0),B(218),C(32),D(5),E(0)
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可愛a小林
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緩衝範圍=pka範圍+-1
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