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Determine E°cell at 25°C for the following reaction: 3 Sn2+ + 2 Al(s) → 2 Al3+ + 3 Sn(s)
Al3+ + 3 e- → Al(s) E° = -1.676 V
Sn2+ + 2 e- → Sn(s) E° = -0.137 V
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