The Rf value for a particular component in a mixture is only constant if you carefully control certain variables during the experiment. Suggest three variables, which would have to be controlled.
The Rf value for a particular component in a mixture is only constant if you carefully control certain variables during the experiment. Suggest three variables, which would have to be controlled.
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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The Rf value for a particular component in a mixture is only constant if you carefully control certain variables during the experiment. Suggest three variables, which would have to be controlled.
Transcribed Image Text:The diagram illustrates the results of a simple thin layer chromatography (TLC) experiment.
**Description of the Diagram:**
- The setup consists of a rectangular plate placed inside a container, representing the surface where chromatography occurs.
- At the bottom of the plate, a sample is applied, marked by red and blue spots.
- The solvent is absorbed and moves up the plate, carrying the components of the mixture with it.
- The "solvent front" is the maximum height reached by the solvent, indicated by a dashed line across the plate.
- The distribution of colors along the plate illustrates how different components in the mixture travel at different speeds, resulting in separation along the plate.
This experiment visually separates the components of a mixture based on their relative affinities to the stationary phase (the plate) and the mobile phase (the solvent).
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