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巧抓酸碱滴定关键点厘清溶液微粒大小之问题
Publication year - 2020
Publication title -
国际教育论坛
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2705-120X
pISSN - 2705-1196
DOI - 10.32629/jief.v2i11.2480
Subject(s) - medicine
酸碱滴定过程是一个PH值发生动态变化的微观抽象过程。通过对清远市2019-2020学年第一学期高三理综第13题的命题特点进行分析结合学生答题情况解决酸碱滴定过程溶液离子浓度大小比较这道题的建议是结合曲线表征图抓好反应的起点、反应过程中加入一半标准液、反应过程为中性、恰好反应点四个关键点就每个关键点的溶质及微观离子间的相互作用进行分析帮助学生厘清宏观变化的微观本质。

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