The overall reaction in the lead storage battery is
Pb(s) + PbO2 (s) + 2H +(aq) + 2HSO4 -(aq) → 2PbSO4 (s) + 2H2O(l)
Calculate ε at 25°C for this battery when [H 2SO4] = 4.5 M, that is, [H +] = [HSO4 -] = 4.5 M. At 25°C, ε ° = 2.04 V for the lead storage battery.
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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.