Homework Help: Analytical Chemistry

Posted by AREEJ on Friday, November 30, 2012 at 6:19am.

How many mg of X is contained in 25 ml of a solution giving an absorbance of 0.250 at 400 nm when measured with a 1 cm cell ?

Analytical Chemistry - DrBob222, Friday, November 30, 2012 at 3:22pm
We need the absorptivity constant (or som way to get it) to calculate a concn from the data given.

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