Question

Study the reaction.

CH4 + 2O2 → CO2 + 2H2O
If 7.4 moles of carbon dioxide (CO2) form at the end of the reaction, how many moles of methane (CH4) and oxygen gas (O2) entered the reaction?

? moles of methane and
? moles of oxygen gas

Answer 1

7.4 moles of methane (CH₄)

14.8 moles of oxygen gas (O₂)