Calculate how many kg of co2 are added to the atmosphere

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Question- The combustion of gasoline produces CO2 and H2O. Assume gasoline to be pure octane(C8H18) and calculate how many Kg of CO2 are added to the atmosphere per 1.0 Kg of octane burned.

Balanced Chemical equation: 2C8H18+25O2=16CO2+18H2O

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