题目

下列溶液中,由水电离出的c(H+) <10—7的是(   ) A.25℃时,0.01NH4Cl溶液      B. 25℃时,0.01NaHSO4溶液 C. 100℃时,0.01NaNO3溶液    D.25℃时,0.01NaF溶液 答案:B
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