A 6.25 g sample of magnetite (Fe 30 4) contains 4.52 g of

Last updated: 7/10/2022

A 6.25 g sample of magnetite (Fe 30 4) contains 4.52 g of Fe. What are the percentages of iron and oxygen in magnetite? 28.6% Fe and 71.4% O 42.8% Fe and 57.2% O 72.3% Fe and 27.7% O 27.7% Fe and 72.3% O 57.2% Fe and 42.8% O