2. The molar absorptivity of compound A & B were measured with pure solutions as follows: wavelength (nm) ɛa (M'cm-l) 2139 EB (M-'cm-') 8469 312 417 10892 4325 (a) Calculate the frequency at wavelength of 312 nm and 417 nm. What wavelength has the greatest frequency? What wavelength has the greatest energy (show your calculation)? (b) A mixture of compound A and B in a 1.00 cm cell had an absorbance of 0.543 at 312 nm and 0.762 at 417 nm. Find the concentrations of A and B in the sample.

2. The molar absorptivity of compound A & B were measured with pure solutions as follows: wavelength (nm) ɛa (M'cm-l) 2139 EB (M-'cm-') 8469 312 417 10892 4325 (a) Calculate the frequency at wavelength of 312 nm and 417 nm. What wavelength has the greatest frequency? What wavelength has the greatest energy (show your calculation)? (b) A mixture of compound A and B in a 1.00 cm cell had an absorbance of 0.543 at 312 nm and 0.762 at 417 nm. Find the concentrations of A and B in the sample.

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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