The concentration of Fe 2+ ions in an acid solution can be determined by a redox titration
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The concentration of Fe2+ ions in an acid solution can be determined by a redox titration with either KMnO4 or K2Cr2O7. The reduction products of these reactions are Mn2+ and Cr3+, and in each case the iron is oxidized to Fe3+. In one titration of an acidified Fe2+ solution, 25.20 mL of 0.0210 m K2Cr2O7(aq) was required for complete reaction. If the titration had been carried out with 0.0420 m KMnO4(aq), what volume of the permanganate solution would have been required for complete reaction?
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Chemical Principles The Quest For Insight
ISBN: 9781464183959
7th Edition
Authors: Peter Atkins, Loretta Jones, Leroy Laverman
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