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May 30, 2015

Homework Help: Chemistry

Posted by Jaden on Wednesday, February 20, 2013 at 7:13pm.

The dye molecule 7-aminocoumarin has an extinction coefficient of 2800M-1cm-1 at 432nm. An aqueous sample of 7-aminocoumarin is placed in a cuvette with a 1.00cm path length and the absorbance is found to be 1.75 at 432nm. What is the molarity of 7-aminocoumarin in this sample?

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