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What Is the Standard Cell Potential for a Voltaic Cell

Question 30

Multiple Choice

What is the standard cell potential for a voltaic cell using the Pb 2+/Pb and Mg2+/Mg half-reactions? Which metal is the cathode? What is the standard cell potential for a voltaic cell using the Pb 2+/Pb and Mg2+/Mg half-reactions? Which metal is the cathode? A) (-2.25 V, Pb is the cathode) B) (+2.49 V, Mg is the cathode) C) (+2.25 V, Mg is the cathode) D) (+2.25 V, Pb is the cathode) E) (-2.49 V, Mg is the cathode)


A) (-2.25 V, Pb is the cathode)
B) (+2.49 V, Mg is the cathode)
C) (+2.25 V, Mg is the cathode)
D) (+2.25 V, Pb is the cathode)
E) (-2.49 V, Mg is the cathode)

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