c/100=md/ms
36,5/100=md/200 ⇒ md=2*36,5 HCl
niu(n)=m/M
n=2*36,5/36,5/mol=2mol/HCI
2 mol...........1 mol
FeS+2HCI ⇒FeCi2+H2S
2 mol......n=1mol
m FeCI2=1molx(56gFe 2*35,5gCI)/mol=127g FeCI2⇒ valoarea teoretica
eta/100=m practic/m teoretic
eta=120,65*100/127=12065/127=95
Sper ca te-am ajutat