Osmotic and activity coefficients of some pyridine complexes with halogenoacetic acids in benzene at 25°C |
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Authors: | Zopia Dega-Szapran Mirosław Szafran |
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Institution: | Department of Chemistry, A.Mickiewicz University, 60780 Poznań, Poland |
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Abstract: | Osmotic coefficients measured by vapour pressure osmometry are reported for benzene solutions of complexes of pyridine with trifluoroacetic, dichloroacetic and chloroacetic acids at 25°C. Solute activities decrease with increasing concentration due to formation of self-associates. It is suggested that dipole-dipole interactions contribute substantially to the stability of the associates. |
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