A small iron pan was analyzed by dissolving a 11.1321 g sample in HCl. The resulting solution was dilluted with water and the Fe3+ was precipitated as the hydrous oxide Fe2O3* xH2O by the addition of NH3. After the filtration and washing, the residue was ignited at a high temperature to give 5.1231 g of pure Fe3O4 in the sample. Calculate the %Fe and %Fe3O4 in the sample
A small iron pan was analyzed by dissolving a 11.1321 g sample in HCl. The resulting solution was dilluted with water and the Fe3+ was precipitated as the hydrous oxide Fe2O3* xH2O by the addition of NH3. After the filtration and washing, the residue was ignited at a high temperature to give 5.1231 g of pure Fe3O4 in the sample. Calculate the %Fe and %Fe3O4 in the sample
General Chemistry - Standalone book (MindTap Course List)
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Chapter4: Chemical Reactions
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Problem 4.88QP: A 1.345-g sample of a compound of barium and oxygen was dissolved in hydrochloric acid to give a...
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A small iron pan was analyzed by dissolving a 11.1321 g sample in HCl. The resulting solution was dilluted with water and the Fe3+ was precipitated as the hydrous oxide Fe2O3* xH2O by the addition of NH3. After the filtration and washing, the residue was ignited at a high temperature to give 5.1231 g of pure Fe3O4 in the sample.
Calculate the %Fe and %Fe3O4 in the sample
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