The boiling point composition diagram for a binary mixture of benzene and isopropanol is shown below: 82.0 80.0 78.0 76.0 74.0 72.0 70.0 0.0 0.20 0.40 0.60 0.80 1.00 Xisopropanol (a) What is the boiling point of pure isopropanol? (b) What is the boiling point of the solution when Xjsopropanol = 0.90? (c) What is the composition of the vapor immediately above the solution in part b? Boiling Point (°C)

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3. The boiling point composition diagram for a binary mixture of benzene and isopropanol is
shown below:
82.0
80.0
78.0
76.0
74.0
72.0
70.0
0.0
0.20
0.40
0.60
0.80
1.00
Xisopropanol
(a) What is the boiling point of pure isopropanol?
(b) What is the boiling point of the solution when Xisopropanol = 0.90?
(c) What is the composition of the vapor immediately above the solution in part b?
(d) Given the pot solution is 90% isopropanol and efficient fractional distillation is used,
what is the composition of the initial liquid isolated in the receiving flask? What
would be the composition of the initial distillate if the starting pot solution was 50%
Boiling Point (°C)
Transcribed Image Text:3. The boiling point composition diagram for a binary mixture of benzene and isopropanol is shown below: 82.0 80.0 78.0 76.0 74.0 72.0 70.0 0.0 0.20 0.40 0.60 0.80 1.00 Xisopropanol (a) What is the boiling point of pure isopropanol? (b) What is the boiling point of the solution when Xisopropanol = 0.90? (c) What is the composition of the vapor immediately above the solution in part b? (d) Given the pot solution is 90% isopropanol and efficient fractional distillation is used, what is the composition of the initial liquid isolated in the receiving flask? What would be the composition of the initial distillate if the starting pot solution was 50% Boiling Point (°C)
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