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第27题: [单项选择]标定盐酸滴定液(0.1mol/L)的基准物() A. 硫酸 B. 氯化钠 C. 邻笨二甲酸氢钾 D. 重铬酸钾 E. 无水碳酸钠 参考答案:E 答案解析:本题考查滴定液的标定。标定法是先将试剂配制成近似于所需浓度的溶液,然后再用基准物标定该溶液,以确定滴定液的准确浓度。盐酸滴定液(0.1mol/L)用无水碳酸钠进行标定。高氯酸滴定液(0.1mol/L)