The expressions for boiling point elevation and freezing point depression apply accurately to dilute solutions only. A saturated aqueous solution of NaI (sodium iodide) in water has a boiling point of 144°C. The mole fraction of NaI in the solution is 0.390. a. Compute the molality of this solution. b. Compare the boiling point elevation predicted by the expression in this chapter with the elevation actually observed. c. Provide a possible explanation for the difference in (b).
The expressions for boiling point elevation and freezing point depression apply accurately to dilute solutions only. A saturated aqueous solution of NaI (sodium iodide) in water has a boiling point of 144°C. The mole fraction of NaI in the solution is 0.390. a. Compute the molality of this solution. b. Compare the boiling point elevation predicted by the expression in this chapter with the elevation actually observed. c. Provide a possible explanation for the difference in (b).
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The expressions for boiling point elevation and freezing point depression apply accurately to dilute solutions only. A saturated aqueous solution of NaI (sodium iodide) in water has a boiling point of 144°C. The mole fraction of NaI in the solution is 0.390.
a. Compute the molality of this solution.
b. Compare the boiling point elevation predicted by the expression in this chapter with the elevation actually observed.
c. Provide a possible explanation for the difference in (b).
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