How much oxygen is required to burn 0.5 mol of magnesium?

univerkov | May 24, 2021 | education

We write down the reaction reflecting the combustion of magnesium:

O2 + 2Mg = 2MgO;

according to the oxygen equation, two times less is required, we find its amount:

n (O2) = n (Mg): 2 = 0.5: 2 = 0.25 mol.

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.