Iron(II) can be oxidized by an acidic K2Cr2O7 solution according to the net ionic equation: Cr2O72− + 6Fe2+ + 14H+→2Cr3+ + 6Fe3+ + 7H2OIf it takes 42.5 mL of 0.0250 M K2Cr2O7 to titrate 25.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+ in the original solution?

We should equal equivalent of both Cr2O72- and Fe+2ion to get MOLARITY of Fe+2 Equivalent =…

Answered: Iron(II) can be oxidized by an acidic…

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

Chapter22: The Chemistry Of The Transistion Elements

Section22.6: Colors Of Coordination Compounds

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Iron(II) can be oxidized by an acidic K₂Cr₂O₇ solution according to the net ionic equation:
Cr₂O₇²⁻ + 6Fe²⁺ + 14H⁺→2Cr³⁺ + 6Fe³⁺ + 7H₂O

If it takes 42.5 mL of 0.0250 M K₂Cr₂O₇to titrate 25.0 mL of a solution containing Fe²⁺, what is the molar concentration of Fe²⁺in the original solution?

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