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0.804 g sample of iron ore was dissolved...

`0.804 g` sample of iron ore was dissolved in acid. Iron was oxidised to `+2` state and it requires `47.2 mL` of `0.112N KMnO_(4)` solution for titration, Calculate `%` of `Fe` of `Fe_(3)O_(4)` in ore.

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To solve the problem step by step, we will follow the necessary calculations to determine the percentage of iron (Fe) in the iron ore (Fe₃O₄) sample. ### Step 1: Calculate the equivalents of KMnO₄ used in the titration Given: - Volume of KMnO₄ solution = 47.2 mL = 0.0472 L - Normality of KMnO₄ = 0.112 N The number of equivalents of KMnO₄ used can be calculated using the formula: ...
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