Why the otassium permanganate solution is required


1. Determine the molarity of the KMnO4 solution if 26.23mL of potassium permanganate solution is required to titrate 1.041 g of ferrous ammonium sulfate hexa-hydrate,

FeSO4 (NH4)2 SO46H2O.

2. Determine the %Fe in the unknown if a 2.893g sample of an unknown containing iron requires28.45 mL of the permanganate solution described above to reach the endpoint.

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Chemistry: Why the otassium permanganate solution is required
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