Question

16. Refer to the given balanced equation to answer the questions a-d: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s)
a. How many moles of Fe2O3(s) is produced when 5.0 moles of Fe(s) reacts?
b. How many grams of solid iron reacts when 7.986 g of Fe2O3(s) is produced?
c. If 3.75 L of oxygen gas reacts at STP, what mass of solid iron, Fe(s), is needed to react with it?
d. If 22.45 grams of iron(III) oxide are produced, how many liters of oxygen gas reacted at STP?

Answer 1