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Calculation

The molar extinction coefficient of a drug molecule is 0.54 mM-1cm-1.
What is the molar concentration (M) of a solution with an absorbance of 1.000 (using a UV/Vis spectrophotometer with a cuvette pathlength of one cm; Beer’s Law: A = ε × c × l)?
Please give your answer in index form, rounded to 2 d.p.

Answer × 10Answer M

is the answer 1851851.852?
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