Fe2O3 + 3CO −> 2Fe + 3CO2
1.75 moles Fe2O3 (3 moles CO/1 mole Fe2O3)
= 5.25 moles CO needed
=============================You answer A and B.
How many moles of carbon monoxide (CO) are required to react completely with 1.75 moles of iron (III) oxide (Fe2O3)?” a. What unit is given in this equation? B. What quantity is asked for?