12. The combustion of propane (C3H8) occurs accor

pane (C3H8) occurs according to the following chemical equation:

C3H3 (g) + 502 (g) → 3C02 (g) + 4H20 (g)

If 901 moles of C3Hg are burned, how many moles of CO2 are formed?

2703 moles

Explanation:

We are given;

The equation for the reaction;

C₃H₈ (g) + 5O₂ (g) → 3CO₂ (g) + 4H₂O (g)

Moles of C₃H₈ are 901 moles

We are required to calculate the number of moles of CO₂ formed.

From the equation, 1 mole of propane reacts with 5 moles of oxygen to form 3 moles of CO₂ and 4 moles of water. Therefore, the mole ratio of C₃H₈ to CO₂ is 1 : 3

Thus; moles of CO₂ = Moles of C₃H₈ * 3

= 901 moles * 3

= 2703 moles

Thus, moles of CO₂ formed will be 2703 moles