The molar extinction coefficients for A and B at 2=450 nm are ɛ=2,000. and ɛ=3000. M-1cm-1. At =650 nm, the molar extinction coefficients are ɛ=1,000. for both compounds. If a sample containing both species had absorbance values at 2=600 nm are A=0.070 and at 2=400 nm are A=0.185, what concentrations of A and B are present in the unknown solution? Assume that the absorbances are additive and that the measurements were made using a 1-cm cuvette. Show your work.

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The molar extinction coefficients for A and B at 2=450 nm are ɛ=2,000.
and ɛ=3000. M-1cm-1. At =650 nm, the molar extinction coefficients are
ɛ=1,000. for both compounds. If a sample containing both species had
absorbance values at 2=600 nm are A=0.070 and at 2=400 nm are
A=0.185, what concentrations of A and B are present in the
unknown solution? Assume that the absorbances are additive and that the
measurements were made using a 1-cm cuvette. Show your work.
Transcribed Image Text:The molar extinction coefficients for A and B at 2=450 nm are ɛ=2,000. and ɛ=3000. M-1cm-1. At =650 nm, the molar extinction coefficients are ɛ=1,000. for both compounds. If a sample containing both species had absorbance values at 2=600 nm are A=0.070 and at 2=400 nm are A=0.185, what concentrations of A and B are present in the unknown solution? Assume that the absorbances are additive and that the measurements were made using a 1-cm cuvette. Show your work.
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