一、复习要求掌握化学式、质量守恒定律、化学方程式、溶解度、溶质的质量分数的综合计算方法，学会用简捷的运算代替繁琐的计算。二、解题方法提示中考化学计算压轴题是指难度较大、综合程度较高、计算技能较广较深的一类化学计算题。解题时应注意以下几个方面：回．要善于利 First, the review requires mastering the chemical formula, the law of mass conservation, chemical equations, solubility, solute mass fraction of the comprehensive calculation method, learn to use simple calculations instead of cumbersome calculations. Second, the problem-solving method Tips for the middle school chemistry calculations Finale problems refer to a class of chemical calculation problems that are more difficult, more comprehensive, and more extensive computing skills. When solving problems, you should pay attention to the following aspects: Back. To be good at