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The vapor pressure of water at 25°C is 23.8 torr. An aqueous solution was made by dissolving ethylene glycol (C2H6O2) in 100 grams of water causing a vapor pressure lowering of water in this solution to 23.3 torr. (Atomic mass of carbon - 12.01 g/mol, hydrogen - 1.008 g/mol, and oxygen - 16.00 g/mol) (a) Determine the mass in grams of ethylene glycol added to the solution. (b) Determine the boiling point and the freezing point of the solution

The vapor pressure of water at 25°C is 23.8 torr. An aqueous solution was made by dissolving ethylene glycol (C2H6O2) in 100 grams of water causing a vapor pressure lowering of water in this solution to 23.3 torr. (Atomic mass of carbon - 12.01 g/mol, hydrogen - 1.008 g/mol, and oxygen - 16.00 g/mol) (a) Determine the mass in grams of ethylene glycol added to the solution. (b) Determine the boiling point and the freezing point of the solution

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter13: Solutions And Their Behavior
Section13.4: Colligative Properties
Problem 1RC: 1. Vapor pressure: Arrange the following aqueous solutions in order of increasing vapor pressure at...
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The vapor pressure of water at 25°C is 23.8 torr. An aqueous solution was made by dissolving ethylene glycol (C2H6O2) in 100 grams of water causing a vapor pressure lowering of water in this solution to 23.3 torr. (Atomic mass of carbon - 12.01 g/mol, hydrogen - 1.008 g/mol, and oxygen - 16.00 g/mol)

(a) Determine the mass in grams of ethylene glycol added to the solution.

(b) Determine the boiling point and the freezing point of the solution. (Given that Kb = 0.512 °C/m and Kf = 1.86 °C/m for water)

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