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一、差量法: 差量法是根据化学变化前后有关物质量的差量,利用差量与有关反应物或生成物的量之间的比例关系等进行计算的。例1.(’94高考第27题)某体积可变的密闭容
First, the difference method: The difference method is based on the difference between the quality of the material before and after the chemical change, using the ratio of the difference between the difference and the amount of the reactant or product. Example 1. (’94 entrance exam question 27) a variable volume of closed volume