At -47°C the vapor pressure of ethyl bromide is 10 mmHg, while that of ethyl chloride is 40 mmHg. Assume that the mixture is ideal. If there is only a trace of liquid present and the mole fraction of ethyl chloride in the vapor is 0.80, a) What is the total pressure and the mole fraction of ethyl chloride in the liquid? b) If there are 5 mol of liquid and 3 mol of vapor present at the same pressure in a), what is the overall composition of the system?

Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter1: The Clinical Laboratory
Section1.8: Laboratory Math And Reagent Preparation
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At -47°C the vapor pressure of ethyl bromide is 10 mmHg, while that of ethyl
chloride is 40 mmHg. Assume that the mixture is ideal. If there is only a trace of
liquid present and the mole fraction of ethyl chloride in the vapor is 0.80,
a)
What is the total pressure and the mole fraction of ethyl chloride in the
liquid?
b)
If there are 5 mol of liquid and 3 mol of vapor present at the same pressure
in a), what is the overall composition of the system?
Transcribed Image Text:At -47°C the vapor pressure of ethyl bromide is 10 mmHg, while that of ethyl chloride is 40 mmHg. Assume that the mixture is ideal. If there is only a trace of liquid present and the mole fraction of ethyl chloride in the vapor is 0.80, a) What is the total pressure and the mole fraction of ethyl chloride in the liquid? b) If there are 5 mol of liquid and 3 mol of vapor present at the same pressure in a), what is the overall composition of the system?
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