The Iron Content of an Iron Supplement Must Be Determined

The iron content of an iron supplement must be determined.The manufacturer states that each tablet contains 1 000.0 mg of bioavailable iron.A tablet with a mass of 4.9283 grams is digested in nitric acid to release Fe³⁺ into solution.After filtration,the iron in solution will be precipitate with sodium bicarbonate.What is the minimum mass sodium bicarbonate must be added to precipitate the iron in solution? Assume no sources of interfering metals are present.