electromagnetic separation

PTMS MAGNETIC SEPARATOR

what is magnetic separation in science?

(1) Synthesis of 0.5 mol YBa2Cu3Ox, conserved by Y atom with n(Y2O3)=12n(YBa2Cu3Ox)=0.5mol×12=0.25mol, conserved according to Ba atom, n(BaCO3)=2n(YBa2Cu3Ox)=0.5mol×2 =1 mol, according to the conservation of Cu atoms, n(CuO)=3n(YBa2Cu3Ox)=0.5mol×3=1.5mol;

(2) The chemical formula of the crystal is Na0.35CoO2?1.3H2O, and its relative molecular mass is 23×0.35+59+16×2+1.3×(1×2+16)=122.45, then the molar mass of the crystal is 122.45g. /mol, from the chemical formula, the ratio of the amount of cobalt atoms to oxygen atoms 1: (2+1.3) = 1:3.3, the ratio of the number of cobalt atoms to hydrogen atoms 1: 1.3 × 2 = 1: 2.6, The number of oxygen atoms contained in 1 mol of the crystal is 1 mol × (2+1.3) × 6.02 × 1023 mol -1 = 1.987 × 1024 .