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下列各选项中所述的两个量,前者一定大于后者的是A.1L0.3mol/LC
下列各选项中所述的两个量,前者一定大于后者的是A.1L0.3mol/LC
发布时间:2020-07-14 01:17:14
下列各选项中所述的两个量,前者一定大于后者的是A.1 L 0.3 mol/L CH3COOH溶液和3 L 0.1 mol/L CH3COOH溶液中的H+数B.pH=1的CH3COOH溶液和盐酸的物质的量浓度C.pH=12的氨水和NaOH溶液的导电能力D.pH相同的等体积的盐酸和醋酸溶液分别与足量锌粒反应产生的气体体积
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B解析正确
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用标准盐酸滴定未知浓度的NaOH溶液时,若测定结果偏高,则产生误差的原因可能是A
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