13. Решение задачи по химии №001 320

6. What titrated and auxiliary solutions are used in iodometry? What causes the instability of iodine and thiosulfate solutions? How to prepare and store solutions.
thiosulfate, which went 18.99 cm3. Calculate: a) the titer of this solution, b) its titer for iodine; c) copper titer.

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