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溶液的知识是初中化学重要的基础知识之一 ,有关固体溶解度的理解和溶液中溶质的质量分数计算是第七章学习的难点 ,要突破难点 ,应注意以下内容。一、正确理解固体溶解度的含义
The knowledge of the solution is one of the basic basic knowledge of chemistry in junior high school. Understanding the solid solubility and calculating the mass fraction of the solute in the solution are the difficulties in the seventh chapter. To overcome the difficulties, the following should be noted. First, correctly understand the meaning of solid solubility