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230问答网 > 为什么饱和食盐水能吸收氯气里的氯化氢气体

为什么饱和食盐水能吸收氯气里的氯化氢气体

2025-03-24 21:46:50

推荐回答（1个）

回答1：

氯气：氯气与水反应存在平衡（可逆）
Cl2+H2O=HCl+HClO 由于饱和氯化钠溶液中有较多氯离子,有平衡原理可知,是平衡向左移动,阻止氯气和水反应.
氯化氢：极易溶于水,一体积水可溶400体积氯化氢,饱和氯化钠溶也不能影响其溶解,故既能除掉氯化氢,又能避免氯气和水反应.

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