4. A student tested water with 2% NaCl as a possible solvent for the separation of a mixture that could contain onc or more of the following: G3, Y5, R3, and B1. He obtaincd the chromatogram of the individual dyes and the mixture shown below. solvent front G3 Y5 R3 B1 Mix origin line (a) Measure the distance the solvent front moved. solvent front (b) Measure the distance each spot moved. G3 Y5 R3 B1 (c) Calculate the Rf for each component. G3 Y5 R3 B1 (d) Which dye(s) can the student say, with certainty, is/are present in the mixture? (e) Is water with 2% NaCl a good choice for the resolution of the mixture? Briefly explain.

4. A student tested water with 2% NaCl as a possible solvent for the separation of a mixture that could contain onc or more of the following: G3, Y5, R3, and B1. He obtaincd the chromatogram of the individual dyes and the mixture shown below. solvent front G3 Y5 R3 B1 Mix origin line (a) Measure the distance the solvent front moved. solvent front (b) Measure the distance each spot moved. G3 Y5 R3 B1 (c) Calculate the Rf for each component. G3 Y5 R3 B1 (d) Which dye(s) can the student say, with certainty, is/are present in the mixture? (e) Is water with 2% NaCl a good choice for the resolution of the mixture? Briefly 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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Question

What is 4c?

40
ANAL0492: Separating and Identifying Food Dyes by Paper Chromatography
4. A student tested water with 2% NaCl as a possible solvent for the separation of a mixture that could
contain onc or morc of the following: G3, Y5, R3, and B1. He obtaincd the chromatogram of the
individual dyes and the mixture shown below.
solvent front
G3
Y5
R3
B1
Mix
origin line
(a) Measure the distance the solvent front moved.
solvent front
(b) Measure the distance each spot moved.
G3
Y5
R3
B1
(c) Calculate the Rf for each component.
G3
Y5
R3
B1
(d) Which dye(s) can the student say,
with certainty, is/are present in the mixture?
(e) Is water with 2% NaCl a good choice for the resolution of the mixture? Briefly explain.

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