Many Different Ways Have Been Proposed to Make Batteries $\rarr$ Pb E° = -0

question 49

Short Answer

Many different ways have been proposed to make batteries. One cell is set up with copper and lead electrodes in contact with CuSO₄(aq)and Pb(NO₃)₂ (aq), respectively. If the Pb²⁺ and Cu²⁺ concentrations are each 1.0 M, what is the overall cell potential?
Pb²⁺ + 2e^- $\rarr$ Pb E° = -0.22 V
Cu²⁺ + 2e^- $\rarr$ Cu E° = +0.34 V

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