a) mFe= 46,289% x 60,5 \(\approx\) 28(g)
mZn=60,5 - 28= 32,5(g)
b) nFe= 28/56=0,5(mol)
nZn=32,5/65=0,5(mol)
PTHH: Fe + 2 HCl -> FeCl2 + H2
0,2_________0,4____0,2____0,2(mol)
Zn + 2 HCl -> ZnCl2 + H2
0,2___0,4___0,2____0,2(mol)
V(H2, tổng đktc)= (0,2+0,2).22,4=8,96(l)
c) m(muối)=mFeCl2+ mZnCl2= 0,2.127 + 0,2. 136= 52,6(g)