Problem 2.6 points) Write half-reaction, find in the table the standard potential, and calculate the electrode potential of the following half-cells. (a) H3PO4 (1.76 M)|H2(0.987 atm), Pt b) CIO (0.194 M), CI (2.00*10-4M), OH (3.50*10-2 M)Pt (c) AgBrO3 (satd), Br03 (0.060 M) Ag