Freezing points and related properties of electrolyte solutions. III. The systems NaCl−CaCl2−H2O and NaCl−BaCl2−H2O |
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Authors: | H. Frank Gibbard Shao-Ling Fong |
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Affiliation: | 1. Department of Chemistry and Biochemistry, Southern Illinois University, 62901, Carbondale, Illinois
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Abstract: | The freezing temperatures of aqueous calcium chloride and barium chloride and their mixtures with sodium chloride were measured at equivalent molalities of 0.1 to 1.5 mole-kg?1. Osmotic and activity coefficients of the mixtures were calculated at the freezing points of the mixtures. From the freezing points and calorimetric enthalpies of mixing of sodium chloride-magnesium chloride solutions, osmotic and activity coefficients were calculated at 298°K. Agreement of the calculated properties with isopiestic and electrochemical measurements at 298°K is excellent. |
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