Notez inmultirile cu * si fractiile cu /
ZnO + C - > CO2 + 2 Zn
M ZnO - > 65 +16 = 81
1 kmol ZnO = 81 kg
M Zn = 65
1 kmol Zn = 65 kg
p = mp*100/mip = > mp = p *mip /100 = 80 *1620 /100 = 1296 kg
In 2 * 81 kg ZnO avem 1296 kg Zn
In 2 * 65 kg ZnO avem x kg Zn
2*81/2*65=1296/x = > x= 2 * 65 *1296 / 2 * 81 = 1040 kg Zn