The amount of $\mathrm{CO}_{2}$ generated (in $\mathrm{kg}$ ) while completely oxidizing one $\mathrm{kg}$ of $\mathrm{CH}_{4}$ to the end products is
The amount of $\mathrm{CO}_{2}$ generated (in $\mathrm{kg}$ ) while completely oxidizing one $\mathrm{kg}$ of $\mathrm{CH}_{4}$ to the end products is