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16-11-2022
Chemistry

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Iron (II) can be oxidized by an acidic K2Cr2O7 solution according to the net ionic equation below. If it take 26.0 mL of 0.250 M K2Cr2O7 to titrate 25.0mL of a solution containing Fe2+, what is the molar concentration of Fe2+?

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

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