9. A compound or mixture of compounds is found to have an Rf value of ~0.95 when using pure ethyl acetate as the eluting solvent for TLC. What effect would lowering the concentration of ethyl acetate and raising the concentration of heptane have on the Rf value(s), and why?

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...
icon
Related questions
Question
9
9. A compound or mixture of compounds is found to have an Rf value of ~0.95
when using pure ethyl acetate as the eluting solvent for TLC. What effect
would lowering the concentration of ethyl acetate and raising the
concentration of heptane have on the Rf value(s), and why?
Transcribed Image Text:9. A compound or mixture of compounds is found to have an Rf value of ~0.95 when using pure ethyl acetate as the eluting solvent for TLC. What effect would lowering the concentration of ethyl acetate and raising the concentration of heptane have on the Rf value(s), and why?
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Analytical Separations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY