天气预报 > 财经 > 碘化钡是沉淀吗
碘化钡是沉淀吗
更新时间: 2021-04-18 22:16:46  

1、碘化钡不是沉淀。

2、是因为软硬酸碱理论。理论中,硬亲硬软亲软,即硬酸离子和软碱离子的键合能力很弱,容易的电离,在水中的溶解度高;和硬碱离子键合能力很强,难电离,易形成不溶于水的沉淀。

3、软酸离子和硬碱离子的键合能力很弱,容易的电离,在水中的溶解度高;和软碱离子键合能力很强,难电离,易形成不溶于水的沉淀。

关键词: 沉淀

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