A Cell Can Be Prepared from Copper and Tin

question 49

Multiple Choice

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

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

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