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Activity coefficients in binary electrolyte mixtures HCl + MgCl2 + H2O at 298.15°K

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Abstract

Activity coefficients of hydrochloric acid in aqueous mixed solutions with magnesium chloride have been determined at 298.15°K from electromotiveforce measurements of the cell Pt, H2(g, 1 atm.)⋎HCl(mA), MgCl2(mB)⋎AgCl⋎Ag at constant total ionic strengths of 0.1, 0.5, 1.0, 2.0, and 3.0 moles-kg−1. The data were interpreted in terms of Scatchard's and Pitzer's equations whereupon it was found that the former gave a better fit of the experimental data but the latter were reasonably adequate. Activity coefficients for magnesium chloride in the mixtures were derived using Pitzer's equations.

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Authors and Affiliations

  1. Department of Chemistry, University of Malaya, Kuala Lumpur, Malaysia

    Kean H. Khoo, Chee-Yan Chan & T. K. Lim

Authors
  1. Kean H. Khoo
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  2. Chee-Yan Chan
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  3. T. K. Lim
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Khoo, K.H., Chan, CY. & Lim, T.K. Activity coefficients in binary electrolyte mixtures HCl + MgCl2 + H2O at 298.15°K. J Solution Chem 6, 855–864 (1977). https://doi.org/10.1007/BF00648074

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  • DOI: https://doi.org/10.1007/BF00648074

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