問題詳情

8. For a weak acid with a pKa = 6.0, what is the ratio of conjugate base to acid at a pH of 5.0?
(A) 0.01
(B) 0.05
(C) 0.1
(D) 0.2
(E) 0.4

參考答案

答案：C

統計：A:0,B:1,C:0,D:0,E:0

難度：計算中