Calculate the mass fraction of oxygen in nitric acid
July 28, 2021 | education
| M (O2) = 16 g / mol.
M (HNO3) = 14 + 1 + 48 = 63 g / mol.
W = 16/63 * 100 = 25.4%.
Answer: the mass fraction of oxygen in nitric acid is 25.4%.
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.