Question

C3H8 + 5O2 ==> 4H2O + 3CO2Reactant moles and product moles for C, H, O.

Answer 1

The balanced chemical reaction is written as follows:

$C_3H_8+5O_2\rightarrow4H_2O+3CO_2$

On the reactant side, one mole of C3H8 reacts with the five moles of CO2.

On the product side, four moles of H2O and three moles of CO2 are produced.