Using the diagram in Figure 3, predict the following for the distillation of a solution of x and y which has an initial concentration of 70% x and 30% y.  a. Initial boiling point  b. Vapor composition at initial boiling point   Suppose that gas chromatographic analysis of a solution of A and B gave peaks with the following measurements: A, height - 180 mm, width at half-height - 4 mm; B, height - 64 mm, width at half-height - 7 mm. What is the composition (weight %) of the solution?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter32: Gas Chromatography
Section: Chapter Questions
Problem 32.15QAP
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Using the diagram in Figure 3, predict the following for the distillation of a solution of x and y which has an initial concentration of 70% x and 30% y.
 a. Initial boiling point
 b. Vapor composition at initial boiling point

 

Suppose that gas chromatographic analysis of a solution of A and B gave peaks with the following measurements: A, height - 180 mm, width at half-height - 4 mm; B, height - 64 mm, width at half-height - 7 mm. What is the composition (weight %) of the solution?

 

 

Figure 3: Temperature vs. Phase Composition.
110
105
81
Temperature (
100
95
90
85
80
B
0
100 90
10 20
80
Vapor Phase
Liquid Phase
50 60 70 80
30 40
70 60 50 40 30 20
Composition (Mole %)
110
105
100
95
90
85
80
90 100
10
% Y
0
0 % X
Transcribed Image Text:Figure 3: Temperature vs. Phase Composition. 110 105 81 Temperature ( 100 95 90 85 80 B 0 100 90 10 20 80 Vapor Phase Liquid Phase 50 60 70 80 30 40 70 60 50 40 30 20 Composition (Mole %) 110 105 100 95 90 85 80 90 100 10 % Y 0 0 % X
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