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The combustion of propane (C3H8 ) in the presence of excess oxygen yields CO2 and H2O:
C3H8 (g) + 5O2 (g) - 3CO2 (g) + 4H2O (g)
When 7.3 g of C3H8 burns in the presence of excess O2, _ g of CO2 is produced.
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