Using paper chromatography, a Chem 16 student tried to separate the components of an ink using 0.01% NaCl solution as mobile phase. His chromatogram is shown in figure 1. *rely on the picture* The student tried to identify whether component B can also be found in other pen brands so with the same mobile phase, he ran a paper chromatography experiment using brands X, Y, and Z. The results are shown in figure 2. A. Calculate the retention factors of components A, B, and C in figure 1. B. Arrange components A, B, and C in order of increasing polarity. C. From the results of his experiment, component B can also be found in which brand/s?
Using paper chromatography, a Chem 16 student tried to separate the components of an ink using 0.01% NaCl solution as mobile phase. His chromatogram is shown in figure 1. *rely on the picture* The student tried to identify whether component B can also be found in other pen brands so with the same mobile phase, he ran a paper chromatography experiment using brands X, Y, and Z. The results are shown in figure 2. A. Calculate the retention factors of components A, B, and C in figure 1. B. Arrange components A, B, and C in order of increasing polarity. C. From the results of his experiment, component B can also be found in which brand/s?
Chapter5: Errors In Chemical Analyses
Section: Chapter Questions
Problem 5.1QAP
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Using paper chromatography, a Chem 16 student tried to separate the components
of an ink using 0.01% NaCl solution as mobile phase. His chromatogram is shown
in figure 1.
*rely on the picture*
The student tried to identify whether component B can also be found in other pen
brands so with the same mobile phase, he ran a paper chromatography experiment
using brands X, Y, and Z. The results are shown in figure 2.
A. Calculate the retention factors of components A, B, and C in figure 1.
B. Arrange components A, B, and C in order of increasing polarity.
C. From the results of his experiment, component B can also be found in which
brand/s?
Transcribed Image Text:10
68
9
8
7
6
5
4
3
2
1
0 cm
5 cm
ΑΛ
B
2 cm
8 cm
10
9
8
7
6
5
4
3
2
1
0 cm
Figure 1. Chromatogram of the ink.
6 cm
3 cm
8 cm
7 cm
5 cm
9 cm
4 cm
5 cm
Brand X
Brand Y
Brand Z
Figure 2. Chromatograms of Brands X, Y, and Z.
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