Calculate the potential of the following cells: a. a galvanic cell consisting of lead electrode immersed in 0.0848 M Pb2+ and a zinc electrode in contact with 0.1364 M Zn2+ b. a galvanic cell consisting of a standard hydrogen electrode and a platinum electrode immersed in a solution that is 1.46 x 10^-3 in TiO2+, 0.02723 M in Ti3+, and buffered to a pH of 3.00

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A: Given:  Pb2+ =0.0848 MZn2+=0.1364 M TiO2+ =0.00146 M Ti3+ =0.02723

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