无限稀释氯化氢水溶液中离子迁移数的测定

doi:10.3866/PKU.DXHX202108083

Abstract

Abstract:

The relationship between the transference numbers of ions and the concentrations of electrolyte solutions is discussed based on the Debye-Hückel-Onsager theory. An experimental method for determining the transference numbers at infinite dilution is also introduced. It is shown that the transference numbers determined as a function of the concentration of the solutions follow a linear fitting function, which can be extrapolated to zero concentration to obtain the transference number at infinite dilution. Therefore, this teaching experiment should be improved to enhance students' understanding of the principles of electrolyte theory.

Key words: Transference numbers, Infinite dilution, The moving boundary method, Electrolyte

Xinhua Xu, Meifen Wu, Xiaogang Wang. Determination of the Transference Numbers of Ions at an Aqueous Hydrochloric Acid Infinite Dilution[J].University Chemistry, 2022, 37(6): 2108083.

Figures/Tables 3

References 16

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Determination of the Transference Numbers of Ions at an Aqueous Hydrochloric Acid Infinite Dilution

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