nFe=m/M=11,2/56=0,2(mol)
VHCl=100ml=0,1 (lit)
Pt:
Fe + 2HCl -> FeCl2 +H2\(\uparrow\)
1.........2............1..........1 (mol)
0,2 ->0,4 -> 0,2 ->0,2 (mol)
mFeCl2=n.M=0,2.127=25,4(g)
CM HCl=\(\dfrac{n}{V}=\dfrac{0,4}{0,1}=4\left(M\right)\)
c) VH2=n.22,4=0,2.22,4=4,48(lít)
GIÚP MIK VS MAI MIK PẢI NỘP BÀI RỒI!!!HELP ME!!!