What are the units for a (absorptivity) in Beer's law when c (concentration) is expressed in g/dL, and b (path length) is expressed in cm?

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Quizplus · Accepted Answer

In Beer's law, A = abc, A (Absorbance) is a unitless term.Therefore, the units for absorptivity (a) must be the reciprocal of the units for b (path length) and c (concentration).Given that c is expressed as g/dL, and b is expressed as cm, the combination of these units gives g•cm/dL.The reciprocal is dL/g•cm.

What Are the Units for a (Absorptivity) in Beer's Law