How much oxygen is required for complete combustion of hydrogen sulfide with an amount of 4 mol.

Let’s implement the solution:
1. We compose the reaction equation:
2H2S + 3O2 = 2SO2 + 2H2O – redox reaction of hydrogen sulfide combustion in a stream of oxygen, sulfur oxide (4) and water were obtained;
2. Let us write down the proportion according to the data of the reaction equation:
4 mol (H2S) – X mol (O2);
-2 mol -3 mol from here, X mol (O2) = 4 * 3/2 = 6 mol;
3. We calculate the volume of oxygen according to Avogadro’s law:
V (O2) = 6 * 22.4 = 134.4 liters.
Answer: for the complete combustion of hydrogen sulfide, oxygen in a volume of 134.4 liters is required.