Dilute aqueous solutions with formate ions: A conductometric study

Matjaž Bončina, Alexander Apelblat, Marija Bešter-Rogač

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Molar conductivities, Λ, of dilute aqueous solutions (c = (≈3·10-4 to ≈5·10-3) mol·dm-3) of sodium formate, potassium formate, and formic acid in the temperature range T = (278.15 to 313.15) K are reported. The experimental data are examined by applying the Quint-Viallard conductivity equations and the Debye-Hückel equations for activity coefficients. Limiting conductivities of formate anion in the investigated temperature range were obtained from the data for salts, and then the dissociation constants for formic acid were estimated. Results were compared with the available literature data.

Original languageEnglish
Pages (from-to)1951-1957
Number of pages7
JournalJournal of Chemical & Engineering Data
Issue number5
StatePublished - 13 May 2010

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)


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