Which of the five dyes tested in this experiment has the strongest ability to absorb light? How do you know?

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
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Which of the five dyes tested in this experiment has the strongest ability to absorb light? How do you know?
Samples
Yellow
Tartrazine
Rose Bengal
Eosin Y
Concentration
(μM)
1.00μ.
10.0μΜ
10.0μΜ
Bromocresol 10.0μΜ
Purple
X
Xylene cyanol 10.0μΜ
Description of
Peak
1 Peak, broad, 425
symmetrical
1 peak, broad, 551
Left skewed
1 peak
narrow,
partially left
skewed
Max
1 peak,
narrow,
symmetrical
518
1 peak, broad, 591
left skewed
617
Absorbance at
amax
0.441
0.861
0.586
0.126
0.537
Extinction
coefficient
(M¹cm¹)
0.441
0.0861
0.0586
0.0126
0.0537
Transcribed Image Text:Samples Yellow Tartrazine Rose Bengal Eosin Y Concentration (μM) 1.00μ. 10.0μΜ 10.0μΜ Bromocresol 10.0μΜ Purple X Xylene cyanol 10.0μΜ Description of Peak 1 Peak, broad, 425 symmetrical 1 peak, broad, 551 Left skewed 1 peak narrow, partially left skewed Max 1 peak, narrow, symmetrical 518 1 peak, broad, 591 left skewed 617 Absorbance at amax 0.441 0.861 0.586 0.126 0.537 Extinction coefficient (M¹cm¹) 0.441 0.0861 0.0586 0.0126 0.0537
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