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A solution contains 1.0mg of KMnO4/L. When measured in a 1.00cm cell at 525 nm, the...

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Chemistry

A solution contains 1.0mg of KMnO4/L. When measured in a 1.00cmcell at 525 nm, the transmittance was 0.300. When measured undersimilar conditions at 500 nm, the transmittance was 0.350. (a)Calculate the absorbance A at each wavelength, (b) Calculate themolar absorptivity at each wavelength. (c) What would T be if thecell length were in each case 2.00cm? (d) Calculate theabsorptivity (if concentration is in mg/L) for the solution at eachwave length.

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4.1 Ratings (562 Votes)
The BeerLambert law or Beers law is thelinear relationship between absorbance and concentration of anabsorbing species The general BeerLambert law is usually writtenasA a b c1where A is the measured absorbance a is a wavelengthdependent absorptivitycoefficient b is the path length andc is the analyte    See Answer
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