3. Two mobile phases were evaluated to study the behavior of five dyes. The following data from each chromatogram were collected: Mobile Phase 1: Acetone/Water RF Mobile Phase 2: Ethanol/Water Distance traveled (cm) RF Distance traveled (cm) 4.7 4.9 Solvent front 0.62 0,ая 0.85 0.62 0.66 0.98 0.76 0.16 0.53 0.29 4.8 2.9 Green dye Red dye Yellow dye Blue dye Purple dye 3.7 1.3 0.8 4.0 2.6 2.9 1.4 3.1 a) Calculate the RF values for each dye for both chromatographic systems. Record these values in the table above. b) Explain your reasons for choosing which solvent would be most effective in separating the green from the blue dye. c) Which mobile phase system would be most effective for separating all 5 dyes? Explain.
3. Two mobile phases were evaluated to study the behavior of five dyes. The following data from each chromatogram were collected: Mobile Phase 1: Acetone/Water RF Mobile Phase 2: Ethanol/Water Distance traveled (cm) RF Distance traveled (cm) 4.7 4.9 Solvent front 0.62 0,ая 0.85 0.62 0.66 0.98 0.76 0.16 0.53 0.29 4.8 2.9 Green dye Red dye Yellow dye Blue dye Purple dye 3.7 1.3 0.8 4.0 2.6 2.9 1.4 3.1 a) Calculate the RF values for each dye for both chromatographic systems. Record these values in the table above. b) Explain your reasons for choosing which solvent would be most effective in separating the green from the blue dye. c) Which mobile phase system would be most effective for separating all 5 dyes? Explain.
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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Transcribed Image Text:3. Two mobile phases were evaluated to study the behavior of five dyes. The following
data from each chromatogram were collected:
Mobile Phase 1: Acetone/Water
RF
Mobile Phase 2: Ethanol/Water
Distance
traveled (cm)
RF
Distance
traveled (cm)
4.7
4.9
Solvent front
0.62
0,ая
0.85
0.62
0.66
0.98
0.76
0.16
0.53
0.29
4.8
2.9
Green dye
Red dye
Yellow dye
Blue dye
Purple dye
3.7
1.3
0.8
4.0
2.6
2.9
1.4
3.1
a) Calculate the RF values for each dye for both chromatographic systems. Record these
values in the table above.
b) Explain your reasons for choosing which solvent would be most effective in
separating the green from the blue dye.
c) Which mobile phase system would be most effective for separating all 5 dyes? Explain.
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