A Voltaic Cell Can Be Prepared from Copper and Tin

question 34

Multiple Choice

A voltaic cell can be prepared from copper and tin. What is the E°_cell for the cell that forms from the following half-reactions? Cu²⁺(aq) + 2e- Cu(s) E° = 0.34 V
Sn⁴⁺(aq) + 2e- Sn²⁺(aq) E° = 0.13 V

• A) 0.47 V
• B) 0.21 V
• C) -0.21 V
• D) -0.47 V
• E) 0.42 V