The vapour pressures of saturated aqueous solutions of sodium chloride, sodium bromide, sodium nitrate, sodium nitrite, potassium iodate, and rubidium chloride at temperatures from 227 K to 323 K

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Abstract

The vapour pressures of saturated aqueous solutions of NaCl, NaBr, NaNO3, NaNO2, KIO3, and RbCl were determined in the temperature range T = (278 to 323) K using an electronic hygrometer with an electrolyte sensor and compared with the literature data, which are available only for the first four salts. These vapour pressures serve to evaluate the water activities, osmotic coefficients, and molar enthalpies of vaporization and solution at saturation.

Original languageEnglish
Pages (from-to)59-71
Number of pages13
JournalJournal of Chemical Thermodynamics
Volume30
Issue number1
DOIs
StatePublished - 1 Jan 1998

Keywords

  • Enthalpies of vaporization
  • Osmotic coefficients
  • Saturated solutions
  • Vapour pressures
  • Water activities

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