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熱門關鍵詞： 工业级氯化氫 化学级氯化氫 高纯级氯化氫 电子级氯化氫 硫化氫氣體 高純氯氣 配套設備

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氯化氫是酸吗？

返回打印发布时间：2022/8/9 点击：10691

氯化氫是酸吗？
关于氯化氫是不是酸的问题，很久之前就有人在讨论，我们在判断氯化氫到底是不是酸的同时，先来了解下什么是酸。

酸的定义：电离时生成的阳离子全部是氢离子(H+)的化合物叫做酸，或者溶于水并能释放质子形成H3O+(水合氢离子）的物质也是酸。H3O+的浓度越高，溶液酸性越强。即使是纯水中也存在H3O+，其浓度为10-7mol/L。这是由于质子从一个水分子跑到另一个水分子所造成的。在传统意义上，H3O+的浓度还取决于氢离子的浓度，虽然水溶液中的大部分氢离子是以H3O+形式存在的。

在了解了酸的定义后，我们在来研究下氯化氫到底是不是酸的问题。

氯化氫是酸，因为它完全符合酸的定义：电离时产生的阳离子全部是氢离子的化合物。

但氯化氫不能称之为盐酸，因为盐酸是水与氯化氫的混合物。按照无氧酸的命名方法，氯化氫应该称为氢氯酸。

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