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三氧化二铝和氢氧化钠的离子反应

更新时间: 2020-07-01 00:00:00     

Al2O3+2 NaOH=2NaAlO2+H2O,NaAlO2称为偏铝酸钠,实际存在形态可能为四羟基合铝酸钠,但因可写成NaAlO2·2H2O,考察化学变化时一般按偏铝酸钠考虑,氧化铝为两性氧化物,既可跟酸溶液反应也可跟碱溶液反应。

关键词: 氧化 氢氧化钠 离子 反应

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