i have 5 absorbance values of an unknown concetration of 100cm^3 KMnO4 0.02M which was serially diluted 1.76 1.01 0.87 0.38 0.12 What are the concentraions of these values and the  the concentration of an unknown sample which has an absorbance of 0.51 and transmittancevid 30.5

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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.