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懂了吗?不懂的话随时问我
追问那什么,我想要整体法配平,不是元素守恒配平
追答是化合价升降法吗
追问整体法,含多种化合价变化的反应
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追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/8326cffc1e178a826c1e6ff9fe03738da977e84d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
懂了吗?
追问例如,这个化学式中,铜升2硫升2,整体升4。
那什么,你表的那个式子中S不变价吗?
我在那纠结二硫化铁中,铁与硫各几价?
追答哎呀!不好意思,我把硫忘了,Fe是+2价,硫是-2价
追问硫是-2吗?,那有两个,但-1也不像,你见过-1价的硫?
追答是啊,真的
追问额,好吧!谢谢!
追答Cu也有+1价
追问可铜有不一定硫就有-1啊
但还是谢谢你
追答老师讲过的,学了结构你就明白了,先记住吧,不会错,错了我负责
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