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化学方程式的配平方法虽然有很多种,但对于比较复杂的反应式,用简单的方法就难配平,氧化数法和离子-电子法就是解决这一难题的方法。
Although there are many ways to balance the chemical equation, for the more complex reaction formula, it is difficult to balance with a simple method. The oxidation number method and the ion-electron method are the methods to solve this problem.