Fe3O4
两个铁+3价
一个铁+2价
即Fe2+Fe3+(Fe3+O4)
所以0得(8*e-)
Fe失(8*e-)
3fe+4h2o(g)=fe3o4+4h2双线桥法怎么标?急 fe多少价啊?
3fe+4h2o(g)=fe3o4+4h2双线桥法怎么标?急 fe多少价啊?
其他人气:168 ℃时间:2020-01-27 04:17:50
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