Ben then prepared a solution that had 5.00 ml 0.002 M iron(III) nitrate in 1 M nitric acid, 3.00 ml 0.002 M potassium thiocyanate, and 2.00 ml di water. Using the standard curve above, if the absorbance for the solution was 0.457, calculate the equilibrium constant, Keq: Note: If you set this up well in Excel, you can use the same spreadsheet in lab.
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