81. Solving a chemistry problem
57. In 10 ml of a solution of cerium (IV) sulfate with a concentration of 0.05 mol / l, 10, 20, 40 ml of a solution of iron (II) sulfate with a concentration of 0.025 mol / l were added. What are the redox potentials of the resulting solutions? Construct a potentiometric titration curve according to the data obtained.
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