17-10-2022
Chemistry

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Octane burns in air.
2C8H18 +2502-16CO2 + 18H₂0

A petrol-powered motor car travels at a constant speed of 80 km/h. For every kilometer travelled 108 g of carbon dioxide are formed.

When the motor car travels 100 km calculate the mass of petrol burned by the car assuming that petrol is 100% octane. [4]

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