2. The percentage of transmittance of a solution of X at 300 nm and 25 C is 20% for a 5x104 M solution in a 1-cm cell. a) Calculate the absorbance A and the molar absorption coefficient, ɛ. b) Calculate the energy in joules per mole, and electron volt (eV) of photons of wavelength 300 nm. (h=6.62x10-34 J s), (c=3x10% m s'), (1 eV=1.6x10-19 J), (1 nm =10° m)

2. The percentage of transmittance of a solution of X at 300 nm and 25 C is 20% for a 5x104 M solution in a 1-cm cell. a) Calculate the absorbance A and the molar absorption coefficient, ɛ. b) Calculate the energy in joules per mole, and electron volt (eV) of photons of wavelength 300 nm. (h=6.62x10-34 J s), (c=3x10% m s'), (1 eV=1.6x10-19 J), (1 nm =10° m)

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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