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).
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
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Problem 125IL: You wish to determine the weight percent of copper in a copper-containing alloy. After dissolving a...
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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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