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(a) Calculate the vapor pressure at 45°C for a solution that contains 46.0% of propanol and 54.0% water, by mole, assuming an ideal solution. (b) Determine whether water and propanol form an ideal solution, non-ideal solution with positive deviation, or non-ideal solution with negative deviation. (c) Are the overall intermolecular forces in the mixture stronger or weaker than those in pure liquid combined? Explain. (d) Which liquid has a higher boiling point, water or propanol? Explain. (e) For the three mixtures shown in the table, which one is expected to have the lowest boiling point? Explain.

(a) Calculate the vapor pressure at 45°C for a solution that contains 46.0% of propanol and 54.0% water, by mole, assuming an ideal solution. (b) Determine whether water and propanol form an ideal solution, non-ideal solution with positive deviation, or non-ideal solution with negative deviation. (c) Are the overall intermolecular forces in the mixture stronger or weaker than those in pure liquid combined? Explain. (d) Which liquid has a higher boiling point, water or propanol? Explain. (e) For the three mixtures shown in the table, which one is expected to have the lowest boiling point? Explain.

Chemistry
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
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 70E: The vapor pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various...
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The vapor pressure of several solutions of water-propanol (C;H;OH) were determined at various compositions, and the following data of vapor pressure were collected at 45°C. 6. Mole fraction of H;0 XH20. Vapor Pressure of Solution (torr) 74.0 0.37 80.2 0.54 81.6 0.69 80.6 1.00 72.0 (a) Calculate the vapor pressure at 45°C for a solution that contains 46.0% of propanol and 54.0% water, by mole, assuming an ideal solution. (b) Determine whether water and propanol form an ideal solution, non-ideal solution with positive deviation, or non-ideal solution with negative deviation. (c) Are the overall intermolecular forces in the mixture stronger or weaker than those in pure liquids combined? Explain. (d) Which liquid has a higher boiling point, water or propanol? Explain. (e) For the three mixtures shown in the table, which one is expected to have the lowest boiling point? Explain.
Transcribed Image Text:The vapor pressure of several solutions of water-propanol (C;H;OH) were determined at various compositions, and the following data of vapor pressure were collected at 45°C. 6. Mole fraction of H;0 XH20. Vapor Pressure of Solution (torr) 74.0 0.37 80.2 0.54 81.6 0.69 80.6 1.00 72.0 (a) Calculate the vapor pressure at 45°C for a solution that contains 46.0% of propanol and 54.0% water, by mole, assuming an ideal solution. (b) Determine whether water and propanol form an ideal solution, non-ideal solution with positive deviation, or non-ideal solution with negative deviation. (c) Are the overall intermolecular forces in the mixture stronger or weaker than those in pure liquids combined? Explain. (d) Which liquid has a higher boiling point, water or propanol? Explain. (e) For the three mixtures shown in the table, which one is expected to have the lowest boiling point? Explain.
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