The combustion reaction of propane is described by the reaction. c3h8 5o2 → 4h2o 3co2. how many moles of o2 are required to generate 3 moles of co2

C₃H₈ + 5 O₂ → 4 H₂O + 3 CO₂

mole ratio based on balance equation of O₂ : CO₂ i s 5 : 3

C₃H₈ + 5 O₂ → 4 H₂O + 3 CO₂

∴ if moles of CO₂ = 3 moles

then moles of O₂ = (3 moles : 3) * 5

= 5 moles