Ergosterol, a precursor of vitamin D, has δmax = 282 nm and molar absorptivity ε = 11,900 M-1cm-1. What is the concentration of ergosterol in a solution whose absorbance A = 2.5×10-2 with a sample pathlength l = 1.00 cm. M What is the absorbance of a solution having a concentration of ergosterol of 9.8×10-5 M with a sample pathlength l = 1.00 cm?
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Ergosterol, a precursor of vitamin D, has δmax = 282 nm and molar absorptivity ε = 11,900 M-1cm-1. W...
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