In the laboratory, it is necessary to fill a 1.5 liter can with oxygen. Can this be done if there is only 15.8 g of KMnO4?
| January 10, 2021 | education
Given:
V (cans) = 1.5 l.
m (KMnO4) = 15.8 g.
Decision:
1) n (KMnO4) = 15.8 / 158 = 0.1 mol
2) 2 KMnO4 = K2MnO4 + MnO2 + O2
3) n (O2) = 0.1 / 2 = 0.05 mol
4) V (O2) = 0.05 * 22.4 = 1.12 liters. – will not be enough
Answer: not enough
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.
