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第五节 酸碱中和滴定

第五节 酸碱中和滴定. 例题:有未知浓度的 NaOH 溶液 23.00ml ,需加入 0.11molL 的盐酸 29.00ml 才能完全中和,求 NaOH 溶液的浓度。. 思考: 您怎知何时为恰好中和? 怎样测量已加进去的溶液的体积?. 误差分析方法 (以已知盐酸滴定求知 NaOH 为例 ). 偏大. 偏大. 偏大. 偏大. 偏大. 偏大. 偏小. 偏小. 作业:. P45 ,三 酸式滴定管能否装碱液,为会么? 锥形瓶装待测液前未烘干,对测定结果有无影响,为什么?.

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第五节 酸碱中和滴定

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  1. 第五节 酸碱中和滴定 例题:有未知浓度的NaOH溶液23.00ml,需加入0.11mol\L的盐酸29.00ml才能完全中和,求NaOH溶液的浓度。 • 思考: • 您怎知何时为恰好中和? • 怎样测量已加进去的溶液的体积?

  2. 误差分析方法(以已知盐酸滴定求知NaOH为例 ) 偏大 偏大 偏大 偏大 偏大 偏大 偏小 偏小

  3. 作业: • P45,三 • 酸式滴定管能否装碱液,为会么? • 锥形瓶装待测液前未烘干,对测定结果有无影响,为什么?

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