Chemistry
Oxygen oxidises ethyne to carbon dioxide and water as shown by the equation:
2CO2H2 + 5O2 ⟶ 4CO2 + 2H2O
What volume of ethyne gas at s.t.p. is required to produce 8.4 dm3 of carbon dioxide at STP ? [H = 1, C = 12, 0 = 16]
Mole Concept
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Answer
[By Lussac's law]
To calculate the volume of ethyne gas
∴
Hence, volume of ethyne gas required = 4.2 dm3.
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