(Part A When ultraviolet radiation of wavelength 400nm passes through 2.50 mm of a solution of an absorbing substance at a concentration 0.717 mmol/dm?, the transmission is 61.5%. Calculate the molar absorption coefficient of the solute at this wavelength. (Part B. coefficient) of 60,220 dm³/mole cm. What is the absorption cross-section in cm?/molecule? A molecular absorption transition has a molar absorption coefficient (extinction

(Part A When ultraviolet radiation of wavelength 400nm passes through 2.50 mm of a solution of an absorbing substance at a concentration 0.717 mmol/dm?, the transmission is 61.5%. Calculate the molar absorption coefficient of the solute at this wavelength. (Part B. coefficient) of 60,220 dm³/mole cm. What is the absorption cross-section in cm?/molecule? A molecular absorption transition has a molar absorption coefficient (extinction

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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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

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4.
(Part A
When ultraviolet radiation of wavelength 400nm passes through 2.50 mm of a solution
of an absorbing substance at a concentration 0.717 mmol/dm?, the transmission is 61.5%. Calculate
the molar absorption coefficient of the solute at this wavelength.
(Part B
A molecular absorption transition has a molar absorption coefficient (extinction
coefficient) of 60,220 dm/mole cm. What is the absorption cross-section in cm?/molecule?

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Consider ultraviolet radiation of wavelength 300 nm passing through 1.50 mm of a solution of absorbing substance at concentration 0.717 mmol dm-3. Transmission was found to be 61.5%. Calculate the molar absorption coefficient of the solute at 400 nm and express your answer in cm2 /mol.