16. Решение задачки по химии №13

2. To determine active chlorine in water, an excess of potassium iodide and hydrochloric acid were added to a 50 ml sample. 18.2 ml of sodium thiosulfate solution with a molar concentration of 0.01 mol/l were used to titrate the released iodine. Calculate the mass of active chlorine in 1 liter of water.

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