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§6-1 电解质溶液

第六章电解质溶液和电离平衡. §6-1 电解质溶液. 1-1 强电解质和弱电解质 a. 在水溶液中能完全电离的电解质称为强电解质；. 在水溶液中仅能部分电离的电解质称为弱电解质；. 1-2 强电解质溶液. 1923 年， Debye 及 Hückel 提出离子氛（ ionic atmosphere ）概念。观点：强电解质在溶液中是完全电离的，但是由于离子间的相互作用，每一个离子都受到相反电荷离子的束缚，这种离子间的相互作用使溶液中的离子并不完全自由，其表现是：溶液导电能力下降，电离度下降，依数性异常。.

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