Calculate the mass fraction of oxygen in nitric acid
June 22, 2021 | education
| Given:
HNO3
To find:
ω (O) -?
Decision:
1) ω (O) = N (O) * Ar (O) * 100% / Mr (HNO3) = 3 * 16 * 100% / 63 = 76.19%.
Answer: Mass fraction of O is 76.19%.
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.