1. Calculate the energy and frequency of the electromagnetic radiation that has a wavelength of 134 nm. At what region of the electromagentic radiation does this belong? 2. A solution containing 4.48 ppm KMnO4 has an absorbance of 0.265 in a 1.00 cm cell at 520 nm. If the percent transmittance of an unknown solution is 63.2%, what is the absorbance of the solution? Calculate the concentration of the unknown solution.

Answered: Calculate the energy and frequency of…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter20: Molecular Spectroscopy And Photochemistry

Section: Chapter Questions

Problem 1P

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1. Calculate the energy and frequency of the electromagnetic radiation that has a wavelength of 134 nm. At what region of the electromagentic radiation does this belong?

2. A solution containing 4.48 ppm KMnO₄ has an absorbance of 0.265 in a 1.00 cm cell at 520 nm. If the percent transmittance of an unknown solution is 63.2%, what is the absorbance of the solution? Calculate the concentration of the unknown solution.

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