How much oxygen is required for the complete oxidation of 112 g of iron?

univerkov | June 30, 2021 | education

Iron oxidation proceeds according to the reaction:
4Fe + 3O2 = 2Fe2O3.
Iron reacts in amounts:
112 g: 56 g / mol = 2 mol.
Oxygen is needed in the amount of 3/4 of the amount of Fe. By volume at n.u. it will be:
2 mol * 0.75 * 22.4 l / mol = 33.6 l.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.