The vapor pressure for pure "Freon 11"and pure "Freon 12" at 25°C are 15 lb/in? and 85 lb/in² respectively. In thepreparation of a pharmaceutical aerosolthese 2 propellants were mixed togetherin the mole ratio of 0.6 to 0.4.What is the partial vapor pressure of "Freon 11"? *Your answer here will be used for the next item/s.Your answerWhat is the partial vapor pressure of "Freon 12"? *Your answer here will be used for the next item/s.Your answer What is the total vapor pressure of this mixture at 25^Celsius? *Your answer

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In the The vapor pressure for pure "Freon 1.1" and pure "Freon 12" at 25°C are 15 lb/ in? and 85 lb/in² respectively. preparation of a pharmaceutical these 2 propellants were mixed together in the mole ratio of 0.6 to 0.4. aerosol

In the The vapor pressure for pure "Freon 1.1" and pure "Freon 12" at 25°C are 15 lb/ in? and 85 lb/in² respectively. preparation of a pharmaceutical these 2 propellants were mixed together in the mole ratio of 0.6 to 0.4. aerosol

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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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

The vapor pressure for pure "Freon 11"
and pure "Freon 12" at 25°C are 15 lb/
in? and 85 lb/in² respectively. In the
preparation of a pharmaceutical aerosol
these 2 propellants were mixed together
in the mole ratio of 0.6 to 0.4.
What is the partial vapor pressure of "Freon 11"? *
Your answer here will be used for the next item/s.
Your answer
What is the partial vapor pressure of "Freon 12"? *
Your answer here will be used for the next item/s.
Your answer

What is the total vapor pressure of this mixture at 25^Celsius? *
Your answer

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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?