How much acetylene can be burned in 22.4 liters of oxygen?
| May 13, 2021 | education
The reaction equation for the combustion of acetylene in oxygen can be written as follows:
2 С2Н2 + 5 О2 = 4 CO2 + 2 H2O
According to Avogadro’s law, 1 mol of gas under normal conditions occupies a volume of = 22.4 liters.
It is obvious from the reaction equation that the reaction requires an amount of acetylene substance less than the amount of oxygen substance by 2.5 times. (5 mol: 2 mol = 2.5) Accordingly, the volume of acetylene gas will also be 2.5 times less than the volume of oxygen.
Find the volume of acetylene:
V = 22.4 / 2.5 = 8.96 liters.
Answer: the volume of acetylene is 8.96 liters.
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