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怎么判断物质是碱性还是酸性

更新时间: 2020-10-05 00:00:00     

判断物质酸碱性的方法:

方法一:盐类物质的酸碱性,是看阳离子的金属性强弱。金属性强的,即是碱性。例如,钠、钾、钙与弱酸形成的盐就是碱性。金属性较弱,则是酸性。

方法二:是看阴阳离子的水解强弱,若阳离子容易水解,物质是酸性,若阳离子不容易水解,则物质是碱性。

关键词: 怎么 判断 物质 碱性 还是 酸性

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