What mass of carbon dioxide is produced from the complete combustion of 6.30×10−3 g of methane?

CH₄ + 2O₂ = CO₂ + 2H₂O

 

Molecular weight of methane = 16

Molecular weight of carbon dioxide = 44

 

Mass of carbon dioxide = mass of methane×44/16  →  6.30×10−3×44/16  → 0.017 g