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如何计算称取基准物邻苯二甲酸氢钾的质量范围

2025-03-24 17:16:12

推荐回答（1个）

回答1：

根据消耗的标准溶液的体积在20---30mL,来计算基准物质的质量范围.
称的大多,一方面浪费,另一方面,称的太多,消耗的标准溶液的将会超过滴定管的最大体积, 造成误差.
太少,消耗的标准溶液的体积太少,测量误差太大.

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