Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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You prepare several dilutions of an unknown compound. You measure the
absorbance of each solution at 340 nm using a 1 cm cuvette (your results are listed in the table
below). What is the extinction coefficient (in (Mecm) ') of the compound? (Hint: assume that
each of the individual values contains some degree of experimental error.)
Concentration(uM)
Absorbance at 340 nm
10.0
0.011
20.0
0.023
40.0
0.066
80.0
0.119
160.0
0.189
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Transcribed Image Text:You prepare several dilutions of an unknown compound. You measure the absorbance of each solution at 340 nm using a 1 cm cuvette (your results are listed in the table below). What is the extinction coefficient (in (Mecm) ') of the compound? (Hint: assume that each of the individual values contains some degree of experimental error.) Concentration(uM) Absorbance at 340 nm 10.0 0.011 20.0 0.023 40.0 0.066 80.0 0.119 160.0 0.189
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