40. Решение задачи по химии №004 037

101. A portion of potassium dichromate in 0.12 g was dissolved in water, sulfuric acid and a solution of potassium iodide were added. The released free iodine was titrated with sodium thiosulfate, while spending 24 ml of the solution. Calculate the normal concentration and titer of sodium thiosulfate solution.

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