你要注意这里是标定NaOH的浓度！标准溶液被稀释，当然结果偏低！
又不是说用稀释后的NaOH测酸性物质！
又不是说用稀释后的NaOH测酸性物质！
讨论答疑区 FOR 第三章 滴定分析法概论
如何辨别分析结果是偏高还是偏低
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