A solution is made by mixing 44.0 mL of ethanol, C,H O, and 56.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? The relevant values at 20 °C are included in the table. Liquid Density (g/mL) Vapor Pressure, Po (Torr) ethanol 0.789 43.9 water 0.998 17.5 vapor pressure: Torr

A solution is made by mixing 44.0 mL of ethanol, C,H O, and 56.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? The relevant values at 20 °C are included in the table. Liquid Density (g/mL) Vapor Pressure, Po (Torr) ethanol 0.789 43.9 water 0.998 17.5 vapor pressure: Torr

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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A solution is made by mixing 45.0 mL of ethanol, C,H,O, and 55.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? The relevant values at 20 °C are included in the table. Liquid Density (g/mL) Vapor Pressure, P° (Torr) ethanol 0.789 43.9 water 0.998 17.5 vapor pressure: Torr
1.5 moles of solution X are added to a 2 liter container of water. The vapor pressure of water alone is 23.8 Hg at 25°C. What is the new vapor pressure of the solution?
18) A solution is made by dissolving 0.840 moles of sodium hydroxide in 300.0 g of water. If the van't Hoff factor, i, for this particular concentration is 1.70, what is the expected freezing point of this solution? Kf = 1.86 °C m-1. A) +0.80°C B)-2.66°C C) -9.97°C D) -8.85°C E) +3.06°C 18)
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Ethanol (C₂H₅OH) has a vapor pressure of 93.0 torr and a density of 0.785 g/mL. Pentane (C₅H₁₂) has a vapor pressure of 435.0 torr and a density of 0.626 g/mL. Calculate the vapor pressure (in torr) of a solution containing 495 mL of ethanol and 255 mL of pentane. Assume this solution behaves ideally.
An aqueous solution has a normal boiling point of 103.5°C. What is the freezing point of this solution? For water Kb = 0.51°C/m and Kf = 1.86°C/m. O +13°C -3.5°C O-0,96°C +3.6°C -13°C
The vapor pressure of pure water is 23.80 torr at 25.00ºC. Determine the vapor pressure of an aqueous solution containing 45.00 g of glucose (a non-volatile, nonelectrolyte; molar mass = 180.2 g/mol) dissolved in 100.0 g of water. Group of answer choices 793.3 torr 0.9708 torr 23.11 torr 24.15 torr 20.18 torr 22.78 torr64
A solution is made by dissolving 41.3 g urea (CH4N20), a nonelectrolyte, in 275 g water. Calculate the vapor pressure of this solution at 25°C and 45°C. vapor pressure of water 25°C 23.8 torr 45°C 71.9 torr vapor pressure at 25°C = torr vapor pressure at 45°C = torr
Ethanol (C₂H₅OH) has a vapor pressure of 93.0 torr and a density of 0.785 g/mL. Pentane (C₅H₁₂) has a vapor pressure of 435.0 torr and a density of 0.626 g/mL. Calculate the vapor pressure (in torr) of a solution containing 495 mL of ethanol and 305 mL of pentane. Assume this solution behaves ideally.
Ethanol (C₂H₂OH) has a vapor pressure of 93.0 torr and a density of 0.785 g/mL. Pentane (C₂H₁₂) has a vapor pressure of 435.0 torr and a density of 0.626 g/mL. Calculate the vapor pressure (in torr) of a solution containing 495 mL of ethanol and 165 mL of pentane. Assume this solution behaves ideally.
A solution is made by mixing 40.0 mL of ethanol, C, H,O, and 60.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? The relevant values at 20 °C are included in the table. Liquid Density (g/mL) Vapor Pressure, P' (Torr) ethanol 0.789 43.9 water 0.998 17.5 vapor pressure: 14.7770050376 Torr Incorrect