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13问答网 > 将氢氧化钡溶液加入与硫酸镁和稀盐酸的混合溶液中会出现几个方程式

将氢氧化钡溶液加入与硫酸镁和稀盐酸的混合溶液中会出现几个方程式

2025-03-16 04:21:24

推荐回答（1个）

回答1：

由于检验硫酸根离子时，一般采取盐酸酸化的氯化钡溶液，可见，硫酸钡固体不溶于盐酸。所以，氢氧化钡溶液和硫酸镁反应，生成硫酸钡和氢氧化镁，但是氢氧化镁溶于盐酸，所以方程式分步写成
①Ba(OH)2+MgSO4====BaSO4↓+Mg(OH)2↓
②Mg(OH)2+2HCl====MgCl2+2H2O二者叠加可知， Ba(OH)2+MgSO4+2HCl====BaSO4↓+MgCl+2H2O

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