质量百分比浓度错误计算例析李凤珍初中有关生成物溶液质量百分比浓度的计算问题，在一些参考书及一些省（市）的中考题中经常出现．解决这类问题，首先要考虑到化学反应进行的过程、反应结果，进而搞清溶液溶质、溶剂量等，才能进行计算。为帮助学生掌握这方面的解题方法... Calculation of mass percent concentration error Li Fengzhen junior high school about the percentage of product solution mass concentration calculation, in some reference books and some provinces (cities) in the exam often appear. To solve such problems, we must first take into account the chemical reaction process, the reaction results, and then find out the solution solutes, solvents, etc., can be calculated. To help students master the problem-solving methods in this area ...