用0．1000 mol/L的NaOH标准溶液滴定同浓度的HAc（pK a=4．74）的实验中，滴定的突跃范围为7．7～9．7；若用0．1000mol/L的NaOH 标准溶液去滴定某弱酸（HB）时（pK a=2．74），此时的滴定突跃范围将是（）。 -题库考试答案搜索网

用0．1000 mol/L的NaOH标准溶液滴定同浓度的HAc（pK _a=4．74）的实验中，滴定的突跃范围为7．7～9．7；若用0．1000mol/L的NaOH 标准溶液去滴定某弱酸（HB）时（pK _a=2．74），此时的滴定突跃范围将是（）。

单选题

2021-07-17 20:16

A、8．7～10．7
B、6．7～9．7
C、6．7～10．7
D、5．7～9．7

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正确答案

D

试题解析

标签：烹饪工艺与营养高起专烹饪化学烹饪化学-作业水文与水资源工程专升本水化学及水质分析 2019级毕业清考（考试分） 2019级第三学期期末考试

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