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简单化学问题

2025-03-16 17:57:54

推荐回答（1个）

回答1：

这是个典型的物理、化学结合的问题
首先根据Zn+2HCl=ZnCl2+H2
求出1.308g锌与过量稀盐酸反应可以生成多少g氢气
然后根据克拉伯龙方程V=nRT/P，求出体积就可以了.其中n是摩尔数，气体质量/分子量；R为常数8.314；T为298.15K；P＝103900Pa

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