A solution of tryptophan has an absorbance of 0.64 at 280 nm. Given with of 6.04 x 10-3 M solution of tryptophan and path length of 0.5 cm. What is the molar absorptivity of tryptophan?

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.