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The conductivity of hydrochloric acid in water—sulpholane mixtures at 35°C

✍ Scribed by M. Castagnolo; G. Petrella

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 487 KB
Volume: 19
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(74)85033-4

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✦ Synopsis

Measurements are reported on the equivalent conductivity of dilute solutions of hydrochloric acid, at 35"C, in water-sulpholane mixtures over the entire solvent composition range. Data were analyzed by 1965 Fuoss-Onsager equations. A rapid decrease of anomalous proton mobility on adding sulpholanc to water was observed. Ion pair association higher than expected was found in solvents of dielectric constant less than 61. In pure sulpholane a zero slope linear plot of -log n us -log c was observed and related to the unilateral triple ion HCl; formation. A first approximation value of hydrochloric acid dissociation constant which indicates that HCl is a very weak electrolyte in sulpholane, was calculated.

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