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Isopiestic determination of the osmotic and activity coefficients of (magnesium chloride + water) and (lithium chloride + magnesium chloride + water) atT = 313.15K

โœ Scribed by J. Baabor S.; M.A. Gilchrist; E.J. Delgado

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
152 KB
Volume
31
Category
Article
ISSN
0021-9614

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โœฆ Synopsis

The osmotic and activity coefficients of aqueous magnesium chloride solutions were experimentally determined at T = 313.15 K by the isopiestic method. Lithium chloride served as the isopiestic standard for the calculation of osmotic coefficients. The molality ranges covered in this study correspond to about (0.1 to 2.5) mol โ€ข kg -1 . In addition, the osmotic coefficients of aqueous mixtures of magnesium chloride and lithium chloride were determined over the range of ionic strength levels from (0.1 to 7) mol โ€ข kg -1 and at various mole fractions. The results obtained were correlated by the Pitzer equation. From these correlations, the activity coefficients of both salts in the mixture were calculated.

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