zaakikhan354 zaakikhan354

22-02-2024
Chemistry

contestada

A 6.25 g sample of magnetite (Fe3O4) contains 4.52 g of Fe. What is the mass percent of iron in magnetite?
A) 27.7% Fe
B) 28.6% Fe
C) 42.8% Fe
D) 57.2% Fe
E) 72.3% Fe

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