Fe+2HCl--->FeCl2 +H2
Ta có
n\(_{Fe}=\frac{1,6}{56}=0,029\left(mol\right)\)
Theo pthh
n\(_{HCl}=2n_{Fe}=0,058\left(mol\right)\)
C\(_{M\left(HCl\right)}=\frac{0,058}{0,2}=0,29\left(M\right)\)
Theo pthh
n\(_{H2}=n_{Fe}=0,029\left(mol\right)\)
V\(_{H2}=0,029.22,4=0,6496\left(l\right)\)
Chúc bạn học tốt
a,nFe = 0,02(mol)
PTHH : Fe +HCl--->FeCl2+H2
=>nHCl = 0,4 (mol)
=>Cm = 2(M)
b,VH2 = 4,48l