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A mineral haematite (fe2o3) contains unwanted material called guage In addition to Fe2O3. If 5kg of the ore contains 2.78kg of iron, what is the percentage purity of Fe2O3 |
| Answer» A mineral haematite (fe2o3) contains unwanted material called guage In addition to Fe2O3. If 5kg of the ore contains 2.78kg of iron, what is the percentage purity of Fe2O3 | |