CHEM 243 Chapter 8.5: 5-Scan from a McGill uPrint device
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14 Oct 2016
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Temp | %A in Vapor | %A in Liquid |
70 | 100 | 100 |
75 | 97 | 79 |
80 | 93 | 65 |
85 | 85 | 55 |
90 | 77 | 45 |
95 | 69 | 37 |
100 | 60 | 28 |
105 | 50 | 20 |
110 | 40 | 12 |
115 | 25 | 6 |
120 | 0 | 0 |
The table above shows the % compositions of the vapor and liquid phases at equilibrium for solutions of A and B at the indicated temperatures:
1). A mixture of 30g of A and 70g of B is distilled using a dimple distillation apparatus. At what temperature would the first drop distill?
2). A misture of 50g of A and 50g of B is distilled usinga very efficient fractionating column. Construct a distillation curve (temperature vs. mL of distillate) for this system knowing that the density of A and B is 1.05g/mL and 0.96g/mL, respectively.