EJERCICIOS (en medio ácido) 1. (Cr2O7)-2 + Fe+2 Cr+3 + Fe+3 2. Fe+2 + (MnO4)-1 Fe+3 + Mn+2 3. H2SO3 + (MnO4)-1 (SO4)-2 + Mn+2
BALANCE DE REACCIONES QUIMICAS
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