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[单选题]
用0.1000mol/L的NaOH标准滴定溶液滴定0.1000mol/L的HCl至pH=9.00,则终点误差为()
A.0.01%
B.0.02%
C.0.05%
D.0.1%
提问人:网友lixin080108
发布时间:2022-01-13
A.0.01%
B.0.02%
C.0.05%
D.0.1%
A.0.01%
B. 0.02%
C. 0.05%
D. 0.1%
A. 0.05%
B. B.0.1%
C. C.0.2%
D. D.0.02%
用0.1000mol/L NaOH溶液滴定0.1000mol/L HAc溶液,终点pH比化学计量点时pH高0.5pH单位
A.-0.10%
B.-0.20%
C.+0.20%
D.0.10%
A.-0.10%
B.-0.20%
C.+0.20%
D.0.10%
A.5.96
B.3.48
C.7.00
D.5.02
用0.1000mol/L NaOH滴定0.1000mol/L H3AsO4,能滴定到哪一步?计量点pH为多少?
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