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They determined the absorbance of the sample and repeated the same process for the other two samples

Sample A: Absrobance =0.85 concentration of iron in solution = 4.7 ppm

Sample B Absorbance = 0.8 Concentration of iron in solution = 0.6 ppm

Calculate the concentration of iron in the tablet itself.

## Homework Equations

Equations:

Molarity = n/v

## The Attempt at a Solution

I have no clue what to do. If only somebody can point me in the right direction I would be very grateful.