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Muestre cmo encontrar moles de KMnO 4 agregados, moles de Fe 3+ , masa de Fe 3+ y porcentaje de masa de Fe 3+ Para

Muestre cmo encontrar moles de KMnO 4 agregados, moles de Fe 3+ , masa de Fe 3+ y porcentaje de masa de Fe 3+

Para mi estandarizacin de KMnO 4 , la molaridad promedio fue 2.11x10 -2 M. No estoy seguro si eso es necesario para resolver

a) Ecuacin inica neta balanceada para la reaccin redox de Fe 2+ y MnO 4 - : 5Fe +2 + MnO 4 -2 + 8H + 5Fe +3 +Mn +2 + 4H 2 O

b) Datos:

Correr

Masa de Sal Verde (g)

vol. KMnO 4 (ml)

Vol. blanco (ml)

Diferencia en vol. (ml)

Moles KMnO 4 agregados

Moles Fe 3+

Masa de Fe 3+ (g)

Masa % Fe 3+

1

.1168g

4ml

0,2 ml

3,8 ml

2

.1038g

3,1 ml

0,2 ml

2,9 ml

Masa media % Fe 3+

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