one needs one mole of ironIIoxide to make two moles of iron.
MolesIron obtained: 1640/atomicmassFe
molesFe2O3: one half that.
grams Fe2O3: moles*molmass
percent purity: gramsFe2O3/2620
Fe2O3 + 3CO= 2Fe + 3CO2, SUPPOSE THAT 1.64kg OF Fe ARE OBTAINED FROM A 2.62kg SAMPLE OF Fe2O3(ORE). ASSUMING THE REACTION IS COMPLETE, WHAT IS THE PERCENT PURITY OF THE Fe2O3 IN THE ORIGINAL SAMPLE?
2 answers
85.12 grams i think .