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硅酸钠的水溶液为什么呈碱性
更新时间: 2020-06-27 00:00:00  

硅酸钠又称水玻璃,硅酸钠溶于水会生成强碱氢氧化钠和弱酸硅酸,这样的离子反应是不断的生成强碱弱酸然后不断的发生酸碱中和的现象,然而氢氧根离子所显示的碱性远大于弱酸所显示出的酸性,是因为氢被弱酸束缚,从而导致整个溶液显示碱性。

关键词: 硅酸 水溶液 为什么 碱性

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