B. At 40 °C, water has a vapor pressure of 55.3 torr. What is the vapor pressure of the solution described in item A at 40 °C assuming EZ is a non-volatile non electrolyte. Your answer. torr C. If in this case compound EZ is 70% dissociated into E and Z, determine the freezing point of the solution described in item A. For water, K = 1.86 °C/m.
B. At 40 °C, water has a vapor pressure of 55.3 torr. What is the vapor pressure of the solution described in item A at 40 °C assuming EZ is a non-volatile non electrolyte. Your answer. torr C. If in this case compound EZ is 70% dissociated into E and Z, determine the freezing point of the solution described in item A. For water, K = 1.86 °C/m.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter10: Properties Of Solutions
Section: Chapter Questions
Problem 54E: At a certain temperature, the vapor pressure of pure benzene (C6H6) is 0.930 atm. A solution was...
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solve for letter b and c only
Transcribed Image Text:Compound EZ has a molar mass of 76.10 g/mol.
A. Calculate the solute mole fraction and molality of an aqueous solution that is 15% EZ by mass. The molar mass of water is 18.02 g/mol.
Your answer:
mole fraction of EZ: 0.04011
molality: 2319
B. At 40 °C, water has a vapor pressure of 55.3 torr. What is the vapor pressure of the solution described in item A at 40 °C assuming EZ is a non-volatile non-electrolyte.
Your answer.
molal
torr
C.If in this case compound EZ is 70% dissociated into E' and z, determine the freezing point of the solution described in item A. For water, K = 1.86 °C/m.
Your answer:
°C
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