Calculate E°_cell for the Cell for the Reaction 2 Ga(s)

question 43

Multiple Choice

Calculate E°_cell for the cell for the reaction 2 Ga(s) + 3 Sn⁴⁺(aq) → 3 Sn²⁺(aq) +2 Ga³⁺(aq) . The standard reduction potentials are as follows:
Ga³⁺(aq) + 3 e− → Ga(s)
E° = -0.55 V
Sn⁴⁺(aq) + 2 e− → Sn²⁺(aq)
E° = 0.15V
​

• A) 0.70 V
• B) 0.40 V
• C) 0.33 V
• D) -0.40 V
• E) −0.70 V

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