Ribeiro Ana C.F., Veríssimo Luís M.P., Valente Artur J.M., Cabral Ana M., Lobo Victor M.M. INFLUENCE OF HYDROLYSIS ON DIFFUSION OF ELECTROLYTES
http://dx.doi.org/10.15688/jvolsu10.2014.4.5
Ribeiro Ana C.F.
PhD, Professor, Department of Chemistry, University of Coimbra
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3004-535 Coimbra, Portugal
Veríssimo Luís M.P.
PhD, Professor, Department of Chemistry, University of Coimbra
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3004-535 Coimbra, Portugal
Valente Artur J.M.
PhD, Professor, Department of Chemistry, University of Coimbra
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3004-535 Coimbra, Portugal
Cabral Ana M.
PhD, Professor, Faculty of Pharmacy, University of Coimbra
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3000-295 Coimbra, Portugal
Lobo Victor M.M.
PhD, Professor, Department of Chemistry, University of Coimbra
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3004-535 Coimbra, Portugal
Abstract. Experimental mutual diffusion coefficients of potassium chloride, magnesium nitrate, cobalt chloride and beryllium sulphate in aqueous solutions have been compared with those estimated by the Onsager-Fuoss. From the observed deviations, we are proposing a model that allows to estimate the percentages of H3O+ (aq) resulting of hydrolysis of some ions (i.e. beryllium, cobalt, potassium and magnesium ions), contributing in this way to a better knowledge of the structure of these systems.
The diffusion of beryllium sulphate is clearly the most affected by the beryllium ion hydrolysis.
Key words: diffusion coefficients, hydrolysis, aqueous solutions, electrolytes, hydration of ions.
INFLUENCE OF HYDROLYSIS ON DIFFUSION OF ELECTROLYTES by Ribeiro Ana C.F., Veríssimo Luís M.P., Valente Artur J.M., Cabral Ana M., Lobo Victor M.M. is licensed under a Creative Commons Attribution 4.0 International License.
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