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rong ye ji suan de wan neng gong shi ji qi ying yong
Author(s): 
Pages: 32-33
Year: Issue:  6
Journal: Required Reading for Junior Middle School Students

Keyword:  万能公式 溶解度 溶液质量 不饱和溶液 溶质质量分数 计算 终态 硝酸钾 解析过程 物质;
Abstract: <正>"万能公式"简介:由溶解度定义可得S/(100克+S)=(溶质质量)/(溶液质量)(S表示溶解度)在溶解度的计算中,不论溶液的起始状态如何,经变化后,该溶液的终态处于饱和状态,总有公式:(S_终)/(100克+S_终)=(终态溶质质量)/(终态溶液质量)这个公式称为溶液计算的"万能公式"
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