The absorbance of a garbanzo bean solution that had been diluted by a factor of three was 0.528. what was the concentration of the iron in the original solution (before dilution)?

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30-03-2017
Chemistry

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The absorbance of a garbanzo bean solution that had been diluted by a factor of three was 0.528. what was the concentration of the iron in the original solution (before dilution)?

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Zythera Zythera · Answer 1 · 2017-03-30T11:40:33+02:00

Zythera Zythera

30-03-2017

The Beer-Lambert law states that A = E*c*l where A is absorbance, E is the molar absorbance coeffecient, c is concentration and l is path length. Therefore the absorbance is directly proportional to concentration, and by increasing the concentration by a factor of 3, absorbance will increase by a factor of 3 giving A = 1.584

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