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Dissociation Constant of Acetic Acid in (N,N-Dimethylformamide + Water) Mixtures at the Temperature 298.15 K

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Abstract

In the present work the thermodynamic dissociation constants of acetic acid were determined in (N,N-dimethylformamide (DMF) + water) mixtures over the DMF mole fraction range from 0 to 0.65 at the temperature 298.15 K by the potentiometric titration method. The dissociation constant in pure DMF was obtained by extrapolation and comparative calculation methods. The dependence of the acetic acid dissociation constant on the mixed solvent composition was fitted with linear multiple regression of the solvatochromic parameters of (DMF + water) mixtures at every studied composition.

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Authors and Affiliations

  1. Institute of Solution Chemistry of the Russian Academy of Sciences, Akademicheskaya St., 1, Ivanovo, 153045, Russia

    Yuliya A. Fadeeva & Lyubov P. Safonova

  2. Ivanovo State University of Chemistry and Technology, Engels Av., 7, Ivanovo, 153000, Russia

    Lyubov P. Safonova

Authors
  1. Yuliya A. Fadeeva
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  2. Lyubov P. Safonova
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Correspondence to Yuliya A. Fadeeva.

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Fadeeva, Y.A., Safonova, L.P. Dissociation Constant of Acetic Acid in (N,N-Dimethylformamide + Water) Mixtures at the Temperature 298.15 K. J Solution Chem 40, 980–988 (2011). https://doi.org/10.1007/s10953-011-9702-6

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  • DOI: https://doi.org/10.1007/s10953-011-9702-6

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