38. Решение задачки по химии №29

7. Solutions obtained after dissolving spent nuclear fuel in sulfuric acid are purified from the radioactive element radium by its slow coprecipitation with barium. Find the degree of coprecipitation of radium if 23 g of barium chloride are added to 1 dm3 of a solution containing 0.001 mol/l sulfuric acid and 1*10-6 mol/l radium. PR (BaSO4) = 1.1*10-10, PR (RaSO4) = 4.3*10-11

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