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25 mL of a solution of Fe^(2+) ions was ...

25 mL of a solution of `Fe^(2+)` ions was titrated with a solution of the oxidizing agent `Cr_(2)O_(7)^(2-)` . 50 mL of 0.01 M `K_(2)Cr_(2)O_(7)` solution was required. What is the molarity of the `Fe^(2+)` solution ?

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The correct Answer is:
0.12 M.
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