It is generally preferable to use absorbance as a measure of absorption rather than % transmittance in most cases because A. %T cannot be measured as accurately as absorbance. B. %T is dependant on the power of the incident radiation. C. absorbance is proportional to the concentration of the solution being analyzed, whereas %T is not. D. one should actually use % transmittance rather than absorption because some wavelengths are absorbed by the cuvette. E. it does not matter, both techniques are equally valid.

(1) Answers

the answer is option a.

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