Table sugar granules were dissolved in a glass of water. The solid sugar granules have no measurable vapor pressure,making water as the contributor to the entire vapor pressure of the resulting solution. If sugar was added to the glass ofwater until the water makes up a mole fraction of 0.75 in the solution, what is the vapor pressure of water in this solution?Given the following: vapor pressure of water at 25°C is 23.8 torr.A. 23.8 torB. 5.95 torrC. 29.75 torrD. 17.9 torrWhat is the vapor pressure of the said solution if the vapor pressure of pure benzene is 100 torr at 26.1°C?A. 152.26 mmHgB. 88.00 mmHgC. 22.97 torrD. 78.12 torrA 0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution is - 0.050 °C.that the substance has a van't Hoff factor of 1 and is non-volatile, what is the molar mass of the substance? (Freezingpoint depression of water = - 1.86 °C/m)A. 0.00016 g/molB. 156.25 g/molC. 186.54 g/molD. 1.86 g/mol

Given that - Mole fraction of water, solvent = 0.75 Mole fraction of Solute = 1-0.75 = 0.25…

Table sugar granules were dissolved in a glass of water. The solid sugar granules have no measurable vapor pressure, making water as the contributor to the entire vapor pressure of the resulting solution. If sugar was added to the glass of water until the water makes up a mole fraction of 0.75 in the solution, what is the vapor pressure of water in this solution? Given the following: vapor pressure of water at 25°C is 23.8 torr. A. 23.8 torr B. 5.95 torr C. 29.75 torr D. 17.9 torr What is the vapor pressure of the said solution if the vapor pressure of pure benzene is 100 torr at 26.1°C? A. 152.26 mmHg

Table sugar granules were dissolved in a glass of water. The solid sugar granules have no measurable vapor pressure, making water as the contributor to the entire vapor pressure of the resulting solution. If sugar was added to the glass of water until the water makes up a mole fraction of 0.75 in the solution, what is the vapor pressure of water in this solution? Given the following: vapor pressure of water at 25°C is 23.8 torr. A. 23.8 torr B. 5.95 torr C. 29.75 torr D. 17.9 torr What is the vapor pressure of the said solution if the vapor pressure of pure benzene is 100 torr at 26.1°C? A. 152.26 mmHg

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 pressures of several solutions of water-propanol (CH3CH2CH2OH) were determined at various compositions, with the following data collected at 45C: H2O Vapor pressure(torr) 0 74.0 0.15 77.3 0.37 80.2 0.54 81.6 0.69 80.6 0.83 78.2 1.00 71.9 a. Are solutions of water and propanol ideal? Explain. b. Predict the sign of Hsoln for water-propanol solutions. c. Are the interactive forces between propanol and water molecules weaker than, stronger than, or equal to the interactive forces between the pure substances? Explain. d. Which of the solutions in the data would have the lowest normal boiling point?
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