A solution of a specific vitamin has a Amax of 261 nm and a concentration of 2.38 x 107 M. The absorbance of the solution at 261 nm is A = 0.135. What is the molar absorptivity of the vitamin at 261 nm? A sample path length is 1.00 cm. molar absorptivity: L mol-¹cm¹

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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.