Consider the following equilibrium:
7 pts
Fe'* (aq) + SCN (aq) ~ FeSCN?-
Supposed that 20 mL of a 3.0 M solution of Fe(NOz) is mixed with 10 mL of a 1.2 M solution of NaSCN. If in the equilibrium the (FeSCN*] = 0.2 M.
Calculate the equilibrium constant.