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Calculate the concentration of an anthracene solution which produced a fluorescence intensity ( I ) of 775 when the irradiance of the beam incident to the sample ( P 0 ) was 1532 and the length of the medium ( b ) was 0.875 cm. Anthracene has a molar extinction coefficient ( ϵ ) of 9.5 × 10 3 M − 1 ⋅ cm − 1 . The proportionality constant k ′ for anthracene is 0.30.
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Calculate the concentration of an anthracene solution which produced a fluorescence intensity ( I )...
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