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A solution containing an equal parts (by weight) mixture of two liquids A and B dissolved in ethanol was analysed by gas chromatography (GC) on a Carbowax column giving the chromatogram data in the Table below (retention time of an unretained solute was 1.2 min): Compound Retention time (min) 9.50 11.5 A B Baseline width (min) 0.35 0.45 Integration 2500 5000

A solution containing an equal parts (by weight) mixture of two liquids A and B dissolved in ethanol was analysed by gas chromatography (GC) on a Carbowax column giving the chromatogram data in the Table below (retention time of an unretained solute was 1.2 min): Compound Retention time (min) 9.50 11.5 A B Baseline width (min) 0.35 0.45 Integration 2500 5000

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(i) Calculate the capacity factors (k') for both compounds A and B and the selectivity factor (a) between them, commenting on the values. 
(ii) Calculate the resolution between A and B and comment on it. 
(iii) Using the peak for A, calculate the number of theoretical plates for the GC column and comment on the quality of the column.

A solution containing an equal parts (by weight) mixture of two liquids A and B dissolved in ethanol was analysed by gas chromatography (GC) on a Carbowax column giving the chromatogram data in the Table below (retention time of an unretained solute was 1.2 min): Compound Retention time (min) 9.50 11.5 A B Baseline width (min) 0.35 0.45 Integration 2500 5000
Transcribed Image Text:A solution containing an equal parts (by weight) mixture of two liquids A and B dissolved in ethanol was analysed by gas chromatography (GC) on a Carbowax column giving the chromatogram data in the Table below (retention time of an unretained solute was 1.2 min): Compound Retention time (min) 9.50 11.5 A B Baseline width (min) 0.35 0.45 Integration 2500 5000
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