問題詳情
11. 某水溶液的pH值為9.4，則溶液中氫離子的濃度為多少？
(A) 2×10－10 M
(B) 4×10－10 M
(C) 2.5×10－9 M
(D) 3×10－9 M
(A) 2×10－10 M
(B) 4×10－10 M
(C) 2.5×10－9 M
(D) 3×10－9 M
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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