Mole to Mass/ Mass to Mole Use the equation 2Fe(s)+3Cu2O(s)Fe2O3(s)+6Cu(s) for questions 9-12. /12 points 9. How many moles of iron are needed to produce 576 grams of copper? ROYAL BLUE 10. If 4.50 moles of iron (III) oxide are produced how many grams of copper ar produced? YELLOW 11. How many moles of iron (III) oxide are produced when 392 grams of iron are fully reacted? PINK 12. When 4.00 moles of copper (I) oxide react with excess iron, how many grams of copper will be generated? YELLOW