Question

Using C2H4 + 3 O2 -> 2 CO2 + 2 H2O. If 20 moles of fuel are combusted in the above equation, how many moles of CO2 are produced?

Answer 1

According to the balanced equation:

1 mole of C2H4 produces 2 moles of CO2

Therefore, to determine the number of moles of CO2 produced when 20 moles of C2H4 are combusted:

20 moles C2H4 x (2 moles CO2/1 mole C2H4) = 40 moles CO2

Therefore, 40 moles of CO2 are produced.