Problem- what is the concentration of a solution with an, Chemistry

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Problem- what is the concentration of a solution with an

Problem- What is the concentration of a solution with an extinction coefficient of 253 M-1cm-1at 450 nm if it has an absorbance of 0.42 at 450 nm and the sample matrix had an absorbance of 0.05 at 450 nm>?

Rework your solution from the beginning and check each step carefully.

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