根据化学方程式进行的计算是质量守恒定律和化学方程式的重要应用,也是初中化学计算中的一种重要题型。要想解答好有关化学方程式计算的题目,根本问题在于扎扎实实学好化学基础知识,牢固掌握化学基本概念、理论,掌握重要元素及其化合物的性质及化学反应原理,在平时的习题、练习中要善于总结经验、吸取教训,不断提高解题能 Calculations based on chemical equations are an important application of the law of conservation of mass and chemical equations and are also an important problem in junior high school chemistry calculations. To solve the problem of chemical formula calculation, the fundamental problem is to learn solid chemical basic knowledge solidly grasp the basic concepts of chemistry, theory, master the important elements and the nature of chemical compounds and chemical reaction principle, in the usual exercises, exercises Should be good at summing up experience, learn from the lessons, and constantly improve problem solving