The mass fraction of oxygen in silver nitrate is.

Silver nitrate – AgNO3; Mr (AgNO3) = Ar (Ag) + Ar (N) + 3Ar (O); W (O) = 3Ar (O) * 100 / (Ar (Ag) + Ar (N) + 3Ar (O)) = 3 * 16 * 100 / (108 + 14 + 3 * 16) ≈ 28% => Answer : 28%.



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.