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    The combustion of petrol can be approximately represented by the

    The combustion of petrol can be approximately represented by the equation 2C[SIZE="1"]8H[SIZE="1"]18(g) + 25O[SIZE="1"]2 -----> 16CO[SIZE="1"]2 + 18H[SIZE="1"]2O The density of Ocatane is 0.7 gcm(cubed) What mass of oxygen is used up when 1L of petrol is burnt in a car engine...