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QUIMICA APLICADA Celdas Comerciales. Celdas comerciales (pilas) Zn (s) → Zn 2+ (ac) + 2e - 2NH 4 + (ac) + 2MnO 2 (s) + 2e - → Mn 2 O 3 (s) + 2NH 3 (ac)
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