A student is asked to determine the chemical make-up of four different inks. She places four starting points made out of each ink sample on a sheet of chromatography paper and numbers the samples with a pencil as 1, 2, 3 and 4. She places the paper into a solution of chromatography solvent, allowing only the point to be submerged in the solvent. After about twenty minutes, she marks the end of the advancement of the mobile phase. Her chromatography paper is shown at the right. Which statement is correct based on the data? Maximum Advanceof Mobile PhaseOOOOStarting LineA) Sample 1 appears to be a homogeneous sample containing the ink most soluble with the chromatography solvent.Sample 4 appears to be composed of three separate dyes in the ink and the dyes marked "F" and “G” have similar solubilitywith the chromatography solventBSample 2 appears to be a homogeneous sample.Sample 3 appears to be composed of two separate dyes in the ink and they have very different solubility with thechromatography solvent.

Thin layer chromatography (TLC) is a method of separating components of the mixture. It is based on…

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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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A student is asked to determine the chemical make-up of four different inks. She places four starting points made out of each ink sample on a sheet of chromatography paper and numbers the samples with a pencil as 1, 2, 3 and 4. She places the paper into a solution of chromatography solvent, allowing only the point to be submerged in the solvent. After about twenty minutes, she marks the end of the advancement of the mobile phase. Her chromatography paper is shown at the right. Which statement is correct based on the data?

Maximum Advance
of Mobile Phase
OOOO
Starting Line
A) Sample 1 appears to be a homogeneous sample containing the ink most soluble with the chromatography solvent.
Sample 4 appears to be composed of three separate dyes in the ink and the dyes marked "F" and “G” have similar solubility
with the chromatography solvent
B
Sample 2 appears to be a homogeneous sample.
Sample 3 appears to be composed of two separate dyes in the ink and they have very different solubility with the
chromatography solvent.

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