3C. Below are the gas chromatography results of two separate distillations of the same 1:1 mixture of ethanol and 1-butanol. One sample was obtained from the first fraction of a simple distillation and one sample was obtained from the first fraction of a fractional distillation. Identify the peaks in the chromatographs. Discuss the conclusions you can make regarding simple distillation compared with fractional distillation. Which method was more successful? Intensity (PA) Intensity (PA) 600000 500000 400000 300000 200000 100000 0 -100000 600000 500000 400000 300000 200000 100000 0 -100000 0.5 1 0.5 1 1 2 Simple Distillation GC 1.5 1 2 2 Simple Distillation Peak Number Retention Time (min) Peak Area %) 2.198 3.389 1.5 2.5 Fractional Distillation GC Time (min) 2 2.5 3 Time (min) 3.5 3 69.489 30.511 3.5 Fractional Distillation Peak Number Retention Time (min) Peak Area %) 2.226 95.381 3.513 4.619 4 4 4.5 4.5

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Below are the gas chromatography results of two separate distillations of the same 1:1 mixture of ethanol and 1-butanol. One sample was obtained from the first fraction of a simple distillation and one sample was obtained from the first fraction of a fractional distillation. Identify the peaks in the chromatographs.  Discuss the conclusions you can make regarding simple distillation compared with fractional distillation.  Which method was more successful?

3C. Below are the gas chromatography results of two separate distillations of the same 1:1
mixture of ethanol and 1-butanol. One sample was obtained from the first fraction of a simple
distillation and one sample was obtained from the first fraction of a fractional distillation.
Identify the peaks in the chromatographs. Discuss the conclusions you can make regarding
simple distillation compared with fractional distillation. Which method was more successful?
Intensity (PA)
Intensity (PA)
600000
500000
400000
300000
200000
100000
0
-100000
600000
500000
400000
300000
200000
100000
0
-100000
0.5
1
Peak Number
1
2
0.5
1
Simple Distillation GC
1.5
1
2
2
1.5
2.5
Time (min)
Fractional Distillation GC
Simple Distillation
Retention Time (min) Peak Area %)
2.198
3.389
2
2.5
3
Time (min)
3.5
3
69.489
30.511
3.5
Fractional Distillation
Peak Number Retention Time (min) Peak Area %)
2.226
3.513
95.381
4.619
4
4
4.5
4.5
Transcribed Image Text:3C. Below are the gas chromatography results of two separate distillations of the same 1:1 mixture of ethanol and 1-butanol. One sample was obtained from the first fraction of a simple distillation and one sample was obtained from the first fraction of a fractional distillation. Identify the peaks in the chromatographs. Discuss the conclusions you can make regarding simple distillation compared with fractional distillation. Which method was more successful? Intensity (PA) Intensity (PA) 600000 500000 400000 300000 200000 100000 0 -100000 600000 500000 400000 300000 200000 100000 0 -100000 0.5 1 Peak Number 1 2 0.5 1 Simple Distillation GC 1.5 1 2 2 1.5 2.5 Time (min) Fractional Distillation GC Simple Distillation Retention Time (min) Peak Area %) 2.198 3.389 2 2.5 3 Time (min) 3.5 3 69.489 30.511 3.5 Fractional Distillation Peak Number Retention Time (min) Peak Area %) 2.226 3.513 95.381 4.619 4 4 4.5 4.5
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