The iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this solution can then be titrated with KMnO4, as shown: MnO4- (aq) + 5 Fe2+(aq) + 8 H3O+ (aq) → Mn2+ (aq) + 5 Fe3+(aq) + 12 H2O If a 1.206-g sample of iron ore requires 26.37 mL of 0.0115 M KMnO4 to reach the equivalence point, what is the mass of the Fe2+ (assume that the mass of Fe2+ is the same as that of Fe; 55.85 g/mol).
The iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this solution can then be titrated with KMnO4, as shown: MnO4- (aq) + 5 Fe2+(aq) + 8 H3O+ (aq) → Mn2+ (aq) + 5 Fe3+(aq) + 12 H2O If a 1.206-g sample of iron ore requires 26.37 mL of 0.0115 M KMnO4 to reach the equivalence point, what is the mass of the Fe2+ (assume that the mass of Fe2+ is the same as that of Fe; 55.85 g/mol).
General Chemistry - Standalone book (MindTap Course List)
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ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.94QP
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The iron in a sample of iron ore can be converted completely to Fe2+ in aqueous solution, and this solution can then be titrated with KMnO4, as shown:
MnO4- (aq) + 5 Fe2+(aq) + 8 H3O+ (aq) → Mn2+ (aq) + 5 Fe3+(aq) + 12 H2O
If a 1.206-g sample of iron ore requires 26.37 mL of 0.0115 M KMnO4 to reach the equivalence point, what is the mass of the Fe2+ (assume that the mass of Fe2+ is the same as that of Fe; 55.85 g/mol).
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