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QUESTION 8 4 g of an impure sample iron metal wire are dissolved in H2SO4, and it was determined that 30 mL of 0.28 M

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QUESTION 8 4 g of an impure sample iron metal wire are dissolved in H2SO4, and it was determined that 30 mL of 0.28 M KMnO4 is needed to react completely with the iron(II) sulfate produced in acidic solution. Calculate the percent of iron in the wire by mass. MnO4 (aq) + Fe2+(aq) Mn2+(aq) + Fe3+ (aq) (unbalanced) 26Fe: 55.85 g mol

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