论文部分内容阅读
依据化学方程式的计算,是初中化学的重要知识点,是从量的方面研究物质化学变化的方法,是化学方程式的具体应用.而将质量分数的计算应用到一类化学方程式的计算题目当中,既有助于学生对某些化学变化实质的理解,
Calculation based on the chemical equation is an important knowledge point for junior high school chemistry. It is a method for studying chemical changes in matter from a quantitative point of view. It is a specific application of chemical equations. The calculation of mass fractions is applied to the calculation of a class of chemical equations. Not only helps students understand the substance of certain chemical changes,