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
(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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