Question

find number of molecules of oxygen utilised for the combustion of propane
C3H8 +5O2 = 3CO2 + 4H2O​

Answer 1

Answer:

5 IS THE APPROPRIATE ANSWER

Answer 2

The number of molecules of oxygen utilised for the combustion of propane is Five (5).

- The balanced chemical equation of combustion of propane is given as:

C3H8 + 5 O2 → 3 CO2 + 4 H2O​

- From the above equation, it is clear that for the complete combustion of one molecule of propane, five (5) molecules of oxygen are required.

- So, the correct answer is Five (5).