The Solubility and Solvation of Salts in Mixed Nonaqueous Solvents. 2. Potassium Halides in Mixed Protic Solvents |
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| Authors: | Abdel-Karim S Labban Yizhak Marcus |
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| Institution: | (1) Department of Inorganic and Analytical Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel |
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| Abstract: | The solubilities of potassium fluoride, chloride, and bromide in ethanol, formamide, and N-methylformamide and in binary mixtures
of these solvents were determined at 25°C. The standard molar Gibbs energies of solution, Δsoln
G
o, in the neat solvents were related to their hydrogen bonding abilities. The values of Δsoln
G
o in the mixtures were fitted with expressions of the quasilattice quasichemical theory, and the preferential solvation of
the ions was thereby established. |
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| Keywords: | Solubility mixed solvents preferential solvation quasilattice quasichemical theory |
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