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The absorption maximum for a dye is 489 nm. At this wavelength, the absorbance of a dye solution measured in a 1 cm quartz cell is 0.027. The molar absorptivity is of the dye at 489 nm is 225 L mol-1 cm-1. What is the concentration of the dye in the solution?
A) 5.5 x 10-5 M
B) 1.2 x 10-4 M
C) 2.5 x 10-7 M
D) 5.5 x 10-2 M
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Please show all work, conversions, and units. The absorption maximum for a dye is 489 nm....
QUESTION: The ultraviolet of benzonitrile shows a primary absorption band at 224 nm and a secondary band at 271 nm. a) If a solution of benzonitrile in water, with a concentration of 1 x 10-4 molar, is examined at a wavelength of 224 nm, the absorbance is determined to be 1.30. The cell length is 1 cm. What is the molar absorptivity of this absorption band?
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