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 23:35

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：水利水电工程专升本水利工程施工 2019毕业清考 2019级毕业清考（考试分）水利水电建筑工程高起专给排水工程技术水质工程学 2019级第三学期期末考试

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