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orgo help, por favor!?

A specific steroid has λmax = 284 nm and molar absorptivity ε = 11,500. What is the concentration of the compound in a solution whose absorbance at 284 nm is A = 0.055 with a sample pathlength of 1.00 cm?
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Everardo Feil

Feb 20, 2025

You need to use the Beer-Lambert Law: A = εclwhere A is the absorbance at 284 nm, ε is the molar absorptivity, c is the concentration, and l is the pathlength. Solving for c and plugging the values gives:c = A/εl = 0.055/[(11,500 M-1cm-1)(1 cm)] = 4.8×10^-6 M or 4.8μM... Show More
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Everardo Feil

Feb 20, 2025

Gina’s just jealous. Go ahead Sam Saun, your answer is completely correct.... Show More
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