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氯及其化合物

> 把盛有水和盐酸的两个烧杯分别放在托盘太平的左右托盘上，天平处于平衡状态，然后向右盘烧杯里加入镁，向左盘烧杯里加入与镁等质量的金属钠，当金属完全反应后，天平的指针（） A．向左偏转 B．向右偏转 C．仍处于平衡状态 D．不能确定

问题：

发布时间：2024-09-13

把盛有水和盐酸的两个烧杯分别放在托盘太平的左右托盘上，天平处于平衡状态，然后向右盘烧杯里加入镁，向左盘烧杯里加入与镁等质量的金属钠，当金属完全反应后，天平的指针（）

A．向左偏转 B．向右偏转 C．仍处于平衡状态 D．不能确定

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