Abstract
Values for the free energy of transfer of the proton ΔG°t(H+) have been determined experimentally using spectrophotometric measurements on p-nitroaniline in water + ethanol employing the method previously used for other cosolvents mixed with water. Values for ΔG°t(i) for other individual ions, i= anion X–, have been determined by combining these values for ΔG°t(H+) with values for ΔG°t(HX) calculated from electrochemical data. These values for ΔG°t(X–) are subsequently used with values for ΔGot(MX) and ΔG°t(MX2) derived from electrochemical and solubility data to provide values for ΔG°t(M+) and ΔG°t(M2+). ΔG°t(X–) and ΔG°t(X2–) for anions where ΔG°t(HX) and ΔG°t(H2X) are not available are calculated from ΔG°t(MX) and ΔG°t(M2X) obtained from solubility measurements and the above values for ΔG°t(cation).
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
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