Mass fraction of oxygen in ammonium sulfate?
| July 11, 2021 | education
1) M ((NH4) 2SO4) = Mr ((NH4) 2SO4) = Ar (N) * N (N) + Ar (H) * N (H) + Ar (S) * N (S) + Ar ( O) * N (O) = 14 * 1 * 2 + 1 * 4 * 2 + 32 * 1 + 16 * 4 = 132 g / mol;
2) ω (O in (NH4) 2SO4) = N (O in (NH4) 2SO4) * Ar (O) * 100% / Mr ((NH4) 2SO4) = 4 * 16 * 100% / 132 = 48.5 %.
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.
