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9.取浓度相同的Na0H和HCl溶液,以3∶2 体积比相混合,所得溶液的pH 等于12,则原溶液的浓度为(A)0.01mol/L (B)0.017mol/L(C)0.05mo
問題詳情
9.取浓度相同的Na0H和HCl溶液,以3∶2 体积比相混合,所得溶液的pH 等于12,则原溶液的浓度为
(A)0.01mol/L
(B)0.017mol/L
(C)0.05mol/L
(D)0.50mol/L
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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