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15. ( ) H2SO4(aq) 的 Ka1=∞, Ka2=1.0×10-2,若已知某硫酸水溶液的 pH 值為 1.7,求溶液中 [SO42- ] 為 多少 M? (A) 5×10-3 (B) 6×
問題詳情
15. ( ) H2SO4(aq) 的 Ka1 =∞, Ka2 =1.0×10-2,若已知某硫酸水溶液的 pH 值為 1.7,求溶液中 [SO42- ] 為 多少 M?
(A) 5×10-3
(B) 6×10-3
(C) 1×10-2
(D) 2×10-2
(E) 4×10-2。
參考答案
答案:A
統計:A:0,B:1,C:0,D:0,E:0
難度:計算中
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