問題詳情
32.室溫時，若將20 mL的4.0×10－2 M HCl溶液與40 mL的5.0×10－3 M NaOH溶液，均勻混合，則混合後溶液的pH值最接近下列哪一個數值？
(A)2.0
(B)3.
(C)7.0
(D)8.0
(E)9.5。
(A)2.0
(B)3.
(C)7.0
(D)8.0
(E)9.5。
參考答案
答案：A[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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