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yuan su shou heng pei ping fa jie jue yi lei jiao fu za de gao kao ji suan ti
Pages: 62-64
Year: Issue:  3
Journal: Education in Chemistry

Abstract: 元素守恒,即化学反应前后各元素的种类不变,各元素的原子个数不变,其物质的量、质量也不变。原子守恒法是依据反应前后原子的种类及个数都不变的原理,进行推导或计算的方法。利用元素守恒配平法解析了一类较复杂的高考计算题,能起到事半功倍的作用。
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