2. Solving a chemistry problem

2. Solving a chemistry problem

1. For the system shown in the table, calculate the total vapor pressure as well as the vapor composition for the mixtures shown in this table. Based on the data obtained, plot the dependence curves of the total vapor pressure on the composition of the liquid and the composition of the vapor. Using the resulting diagram, determine at what pressure the mixture will begin to condense at a pressure of 245 mm Hg. Art. and consisting of 40% dichloroethane and 60% benzene. What is the composition of the first drop of condensate?
n, % (molar)
n C2H4Cl2 ,% 0 15 29.8 52.3 75.4 92.1 100
, mm. rt. Art. 0 33.4 70.5 124.6 178.1 217.2 236.2
, mm. rt. st 268 232.9 188.5 127.4 65.8 21.5 0

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