Type your answer on the lines below, or write it out on paper.
Decane is cracked according to the equation:
C10H22 → C8H18 + C2H4
The octane, C8H18, is the desired product. (Ar: C = 12.0, H = 1.0)
Calculate the percentage atom economy for the formation of octane. Give your answer to 3 significant figures.