A particular substance absorbs very strongly at 620 nm. At a concentration of 0.100 M, this substance has an absorbance of 0.835 at 620 nm. Assuming that the path length is 1 cm, calculate the value of the molar absorptivity coefficient, ε.What would be the absorbance (at 620 nm) of a solution of the same substance with a concentration of 0.140 M using the same path length?

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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 particular substance absorbs very strongly at 620 nm. At a concentration of 0.100 M, this substance has an absorbance of 0.835 at 620 nm.
1. Assuming that the path length is 1 cm, calculate the value of the molar absorptivity coefficient, ε.
2. What would be the absorbance (at 620 nm) of a solution of the same substance with a concentration of 0.140 M using the same path length?

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