Bulk and Surface Hydration Numbers and Degrees of Dissociation of NaCl in Aqueous Solutions at 25oC for all Concentrations

Authors: Rajalakshmi Heyrovska

The interpretation of the equilibrium properties (osmotic coefficients) of solutions of sLrong electrolytes in terms of hydration and incomplete dissociation has now been extended to the whole range of concentrations from 0 to saturation. Osmotic pressure, a bulk property is characterized by a bulk hydration number and vapor pressure, a surface property, by a surface hydration number. Supporting data are provided for NaCl. The simple quantitative mathematical relations obtained here replace the complicated expressions based on the assumption of complete dissociation. (Note: This breakthrough paper was submitted originally as Accelerated communication to Coll. Czechosl. Chem. Communs in April 1994, but was not accepted even after revision. Lectures on this topic were received with enthusiasm abroad, e.g., Prof. J.N. Butler of Harvard wrote: Your approach will turn out to be elegant, powerful and even revolutionary. Eventually it was published with praise in JES 1996 and presented as a plenary talk in the Svante Arrhenius Symposium in Uppsala, commemorating the centenary of the award to him of the Nobel Prize:

Comments: 8 pages, one Table and one Fig. 1 (proves total replacement of the idea of complete dissociation by that of partial dissociation as per Arrhenius)

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[v1] 2018-01-08 09:38:06

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