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Consider the TLC plate pictured below. What is the Rf of the compound if the compound distance is 2.77 cm and the solvent front distance is 5.85 cm? Please report your answer to 2 decimal places only!

Consider the TLC plate pictured below. What is the Rf of the compound if the compound distance is 2.77 cm and the solvent front distance is 5.85 cm? Please report your answer to 2 decimal places only!

Chemistry
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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### Thin Layer Chromatography (TLC) Analysis **Question:** Consider the TLC plate pictured below. What is the Rf of the compound if the compound distance is 2.77 cm and the solvent front distance is 5.85 cm? ![TLC Plate](image-link) *Please report your answer to 2 decimal places only!* **Explanation:** The TLC plate depicted here shows a black spot representing the position of the compound and a dotted line at the top representing the solvent front. **Calculating the Rf (Retention factor):** The Rf value is calculated using the following formula: \[ \text{Rf} = \frac{\text{Distance traveled by the compound}}{\text{Distance traveled by the solvent front}} \] Given: - Distance traveled by the compound = 2.77 cm - Distance traveled by the solvent front = 5.85 cm So, \[ \text{Rf} = \frac{2.77 \, \text{cm}}{5.85 \, \text{cm}} = 0.47 \] **Rf value of the compound**: 0.47
Transcribed Image Text:### Thin Layer Chromatography (TLC) Analysis **Question:** Consider the TLC plate pictured below. What is the Rf of the compound if the compound distance is 2.77 cm and the solvent front distance is 5.85 cm? ![TLC Plate](image-link) *Please report your answer to 2 decimal places only!* **Explanation:** The TLC plate depicted here shows a black spot representing the position of the compound and a dotted line at the top representing the solvent front. **Calculating the Rf (Retention factor):** The Rf value is calculated using the following formula: \[ \text{Rf} = \frac{\text{Distance traveled by the compound}}{\text{Distance traveled by the solvent front}} \] Given: - Distance traveled by the compound = 2.77 cm - Distance traveled by the solvent front = 5.85 cm So, \[ \text{Rf} = \frac{2.77 \, \text{cm}}{5.85 \, \text{cm}} = 0.47 \] **Rf value of the compound**: 0.47
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