An iron ore sample weighing 0.9132 g is dissolved in HCl(aq), and the iron is obtained as

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An iron ore sample weighing 0.9132 g is dissolved in HCl(aq), and the iron is obtained as Fe²⁺(aq). This solution is then titrated with 28.72 mL of 0.05051 M K₂Cr₂O₇. What is the mass percent Fe in the ore sample?

6 Fe²⁺ + 14 H⁺ + Cr₂O₇^2- → 6 Fe³⁺ + 2 Cr³⁺ + 7 H₂O

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General Chemistry Principles And Modern Applications

ISBN: 9780132931281

11th Edition

Authors: Ralph Petrucci, Jeffry Madura, F. Herring, Carey Bissonnette

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Question Posted: Nov 08, 2023 07:50 AM

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An iron ore sample weighing 0.9132 g is dissolved in HCl(aq), and the iron is obtained as

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General Chemistry Principles And Modern Applications

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