Abstract
The apparent molal volume πv of sucrose in water has been measured at 25°C in the concentration range 0.04–4.4m from precise density measurements. The same property was also determined for dilute solutions of sucrose in mixed aqueous solvents containing NaCl, KCl, or urea. The limiting values π ° v and the slopesS * v were obtained in each case, and their significance has been discussed briefly. The mean apparent molal volumes Πv of the ternary systems were also calculated, and the predictive accuracy of Ward and Millero's modified Young's rule for Πv was found to be comparable to that for other electrolyte-nonelectrolyte solutions. For the system H2O-sucrose-urea, an additivity rule based simply on total molality predicted Πv with similar accuracy.
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Deceased January 15, 1976.
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Sangster, J., Teng, TT. & Lenzi, F. Molal volumes of sucrose in aqueous solutions of NaCl, KCl, or urea at 25°C. J Solution Chem 5, 575–585 (1976). https://doi.org/10.1007/BF00647379
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DOI: https://doi.org/10.1007/BF00647379