Evaluated activity and osmotic coefficients for aqueous solutions: The alkaline earth metal halides
- 1 January 1978
- journal article
- Published by AIP Publishing in Journal of Physical and Chemical Reference Data
- Vol. 7 (1) , 263-310
- https://doi.org/10.1063/1.555569
Abstract
A critical evaluation of the mean activity and osmotic coefficients in aqueous solutions of the alkaline earth metal halides at 298.15 K is presented. Osmotic coefficients were calculated from direct vapor pressure measurements, from isopiestic measurements, and from freezing point depression measurements. Activity coefficients were calculated from electromotive force measurements on galvanic cells, both with and without transference, and from diffusion data. Given are empirical coefficients for three different correlating equations, obtained by a weighted least squares fit of the experimental data, and tables consisting of the activity coefficients of the halides, the osmotic coefficients and activity of water, and the excess Gibbs energy of the solution as a function of the molality for each electrolyte system. The literature coverage is through September 1976.Keywords
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