2. *Calculate the electrode potential for a platinum electrode immersed in a solution that is a. 0.075 M in Fe2(SO4)3 and 0.060 M in FeSO4. b. 0.244 M in V3+, 0.414 M in VO2+, and 1.00 x 10-5 M in NaOH. c. 0.111 M in KI and 0.200 M in KI3. d. 0.0731 M in SbONO3, 0.0100 M in HNO3 and saturated with Sb2O5.