A solution of a dye absorbs light of wavelength 480 nm, and for this absorption, the extinction coefficient is 18600 dm3 mol-1 cm-1. A sample of the dye of unknown concentration is placed in an optical cell of path length 1 cm and the absorbance reading is 0.18. What is the concentration of the solution? O 20x 10-8 mol dm-3 O 0.026 mol dm-3 9.7 x 10-6 mol dm-3 3.0 x 10-4 mol dm-3
A solution of a dye absorbs light of wavelength 480 nm, and for this absorption, the extinction coefficient is 18600 dm3 mol-1 cm-1. A sample of the dye of unknown concentration is placed in an optical cell of path length 1 cm and the absorbance reading is 0.18. What is the concentration of the solution? O 20x 10-8 mol dm-3 O 0.026 mol dm-3 9.7 x 10-6 mol dm-3 3.0 x 10-4 mol dm-3
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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Transcribed Image Text:A solution of a dye absorbs light of
wavelength 480 nm, and for this absorption,
the extinction coefficient is 18600 dm3
8.
mol-1 cm-1. A sample of the dye of
unknown concentration is placed in an
optical cell of path length 1 cm and the
absorbance reading is 0.18. What is the
concentration of the solution?
2.0 x 10-8 mol dm-3
0.026 mol dm-3
9.7x 10-6 mol dm-3
3.0 x 10-4 mol dm-3
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