The colligative properties of certain electrolytes and non-electrolytes in methanol
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Osmotic coefficients for methanol solutions of sodium iodide are calculated from recently published vapor pressure data. These data furnish a reference solute for other isopiestic studies in this solvent. Data are reported for three additional electrolytes and two non-electrolytes. These data are compared with the osmotic coefficients of the same solutes in water to illustrate and in some instances to elucidate the relative importance of various interactions in solutions.
Key Wordsosmotic coefficients ion association sodium iodide 1,3-dimethyl urea
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