4. The vapor pressure of pure water and pure ethanol at 25 \deg C are 24 Torr and 44 Torr, respectively. Suppose you have a water - ethanol mixture and the total vapor pressure is 31.2 Torr. Sucrose, C12H22011, is a non-volatile solute that will not contribute to the total vapor pressure. When 0.03 moles of sucrose is added to the water - ethanol mixture, the vapor pressure drops to 29.8 Torr. How many moles of water are present in the solution?
4. The vapor pressure of pure water and pure ethanol at 25 \deg C are 24 Torr and 44 Torr, respectively. Suppose you have a water - ethanol mixture and the total vapor pressure is 31.2 Torr. Sucrose, C12H22011, is a non-volatile solute that will not contribute to the total vapor pressure. When 0.03 moles of sucrose is added to the water - ethanol mixture, the vapor pressure drops to 29.8 Torr. How many moles of water are present in the solution?
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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