how many litres of Oxygen at stp will be required for complete combustion of 4.4g of propane.
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Explanation:
the balanced chemical equation representing the reaction is
C3H8 + 5O2 ---> 3CO2 + 4H2O
1 mole (44g) propane
=5 × 22.4 L O2 at STP
• 2.2 g propane = 5 × 22.4 × 2.2 /44 litre O2
answer = 5.6 litre O2 at STP
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