过氧化钠投入氯化亚铁溶液中.可将二价铁离子氧化为三价铁离子,同时生成Fe（OH)3沉淀.?
方程式?我配不出来……
是不是分步进行的？
最好分步写出来一下啊
人气：233 ℃ 时间：2020-04-09 10:21:27
解答
这是一个半过量反应,其中过氧化钠是过量的所以要放出一定量的氧气：
6H2O + 4Na2O2 + 4FeCl2 = 4Fe(OH)3（箭头下） + 8NaCl + O2(箭头上)
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