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25-11-2022
Chemistry

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The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered, washed, and ignited in a crucible to form Fe2O3 (MW = 159.69 g/mol). The mass of the product was 0.1084 g. Calculate the ppm iron in the water.

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