Using the stoichiometric chart, calculate the amount of H₂O produced when 5 moles of C₃H₈ combust completely according to the equation C₃H₈ + 5 O₂ → 3 CO₂ + 4 H₂O.

• A. 15 moles
• B. 5 moles
• C. 20 moles
• D. 10 moles

Answer: (C)