Spectrophotometry is used to determine the equilibr…

         Spectrophotometry is used to determine the equilibrium constant for the reaction,       Fe3+ + SCN-  à  [FeSCN]2+ by measuring the “redness” of the iron thiocyanate complex.  Given the information provided, calculate the equilibrium constant, Kc, for this reaction.                  [Fe3+]initial = 2.00 x 10-3 M                [SCN-]initial = {th} x 10-4 M                Absorbance (A) at 477 nm for [FeSCN]2+ = 0.64 Answer format:  Enter the value of Kc in standard (not scientific) notation using 3 SF.