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References A 3.41 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution is titrated with 0.160 M K2 Cr2O7 (potassium dichromate). If it requires 42.8 mL of potassium dichromate solution to titrate the iron(II) sulfate solution, what is the percentage of iron in the ore? The reaction is 6FESO, (ag) + K, Cr2O7(ag) + 7H,SO4 (aq) → 3F22 (SO4)3 (aq) + Cr2 (SO4)3(aq) + 7H2O(1) + K2S0. (ag) Percentage = Submit Answer Try Another Version 3 item attempts remaining

References A 3.41 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution is titrated with 0.160 M K2 Cr2O7 (potassium dichromate). If it requires 42.8 mL of potassium dichromate solution to titrate the iron(II) sulfate solution, what is the percentage of iron in the ore? The reaction is 6FESO, (ag) + K, Cr2O7(ag) + 7H,SO4 (aq) → 3F22 (SO4)3 (aq) + Cr2 (SO4)3(aq) + 7H2O(1) + K2S0. (ag) Percentage = Submit Answer Try Another Version 3 item attempts remaining

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 38QAP: Lactic acid, C3H6O3 is the acid present in sour milk. A 0.100-g sample of pure lactic acid requires...
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References A 3.41 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution is titrated with 0.160 M K2 Cr2O7 (potassium dichromate). If it requires 42.8 mL of potassium dichromate solution to titrate the iron(II) sulfate solution, what is the percentage of iron in the ore? The reaction is 6FESO, (ag) + K, Cr2O7(ag) + 7H,SO4 (aq) → 3FE2 (SO4)3 (ag) + Cr2 (SO4)3(ag) + 7H2O(1) + K2S04(ag) Percentage = Submit Answer Try Another Version 3 item attempts remaining
Transcribed Image Text:References A 3.41 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution is titrated with 0.160 M K2 Cr2O7 (potassium dichromate). If it requires 42.8 mL of potassium dichromate solution to titrate the iron(II) sulfate solution, what is the percentage of iron in the ore? The reaction is 6FESO, (ag) + K, Cr2O7(ag) + 7H,SO4 (aq) → 3FE2 (SO4)3 (ag) + Cr2 (SO4)3(ag) + 7H2O(1) + K2S04(ag) Percentage = Submit Answer Try Another Version 3 item attempts remaining
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