# A calibration curve, for a particular substance, was determined and the molar absorptivity constant (€) was...

A calibration curve, for a particular substance, was determined and the molar absorptivity constant (€) was found to be 5000. M-1 cm-1. A solution containing the same substance was analyzed on the Spec-20 and a percent transmittance of 46.5% was obtained. What is the concentration of the substance in the solution?

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