The vapour pressure of water over saturated solutions of sodium sulfate, calcium bromide, ferric chloride, zinc nitrate, calcium nitrate, and lithium nitrate at temperatures from 278.15 K to 323.15 K

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Abstract

Vapour pressures of saturated aqueous solutions of Na2SO4, CaBr2, FeCl3, Zn(NO3)2, Ca(NO3)2, and LiNO3 were determined in the temperature range from 278 K to 323 K using an electronic hygrometer with an electrolyte sensor and compared with literature data. Water activities, osmotic coefficients, and molar enthalpies of vapourization and solution at saturation point were evaluated from the determined vapour pressures.

Original languageEnglish
Pages (from-to)1621-1637
Number of pages17
JournalJournal of Chemical Thermodynamics
Volume34
Issue number10
DOIs
StatePublished - 1 Jan 2002

Keywords

  • Osmotic coefficients
  • Saturated solutions
  • Vapour pressures
  • Water activities

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Materials Science
  • Physical and Theoretical Chemistry

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