Isopiestic Osmotic Coefficients and Activity Coefficients of Sodium Benzenesulfonates

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (3): 368.

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Isopiestic Osmotic Coefficients and Activity Coefficients of Sodium Benzenesulfonates

WU Ding-Quan, ZHAO Ji-Hong, HU Chao-Zhen, QU Song-Sheng

Department of Chemistry, Wuhan Univeristy, Wnhan, 430072

Received:1992-01-21 Revised:1992-12-06 Online:1993-03-24 Published:1993-03-24

Abstract

Abstract: The osmotic coefficients and activity coefficients of sodium benzenesulfonate, sodium beivenesulfinate, sodium p-aminobenzenesulfonate, sodium p-hydroxybenzenesulfonate and sodium m-nitrobenzenesulfonate in aqueous solution have been determined at 298.15 Kby the isopiestic method.The excess molar Gibbs free energies were calculated from the osmotic and activity coefficients.

Key words: Isopiestic method, Osmotic coefficient, Activity coefficient, Excess molar Gibbs free energy.

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WU Ding-Quan, ZHAO Ji-Hong, HU Chao-Zhen, QU Song-Sheng . Isopiestic Osmotic Coefficients and Activity Coefficients of Sodium Benzenesulfonates[J]. Chem. J. Chinese Universities, 1993, 14(3): 368.

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Isopiestic Osmotic Coefficients and Activity Coefficients of Sodium Benzenesulfonates

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