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Enthalpies of dilution of tris-ethylenediaminocobalt(III) chloride in aqueous solution at 25°C

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Abstract

The enthalpies of dilution for aqueous solutions of [Co(en)3]Cl3, where en=1,2-diaminoethane, have been measured at 25°C, and up to m=1 mol-kg−1, using a new large isoperibol calorimeter by the “long-jump” method. Relative apparent molar enthalpies LФ have been extracted as an empirical equation relating LФ and m. Comparison with other 3∶1 and 1∶3 aqueous systems confirms the previously suggested hydrophobic character of the [Co(en)3]3+ cation.

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Arsuaga, J.M., Fernández-Martín, F. & Núñez, J. Enthalpies of dilution of tris-ethylenediaminocobalt(III) chloride in aqueous solution at 25°C. J Solution Chem 25, 167–177 (1996). https://doi.org/10.1007/BF00972687

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  • DOI: https://doi.org/10.1007/BF00972687

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