A student mixes 5 mL of 0.002 M Fe(NO3)3 with 5ml of 0.002 M KSCN. She finds that in the equilibrium mixture, the concentration of FeSCN^2+ is 0.00012 M.
Find Kc for Fe^3+(aq) + SCN^- FeSCN^2+ (aq). Show and label your work for each step.