1
a \(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
b \(Al_2O_3+2NaOH\rightarrow2NaAlO_2+H_2O\)
c \(2HCl+Fe\rightarrow FeCl_2+H_2\)
d \(Ca\left(OH\right)_2+Na_2CO_3\rightarrow CaCO_3+2NaOH\)
e \(SO_2+2NaOH\rightarrow Na_2SO_3+H_2O\)
f \(Al_2O_3+6HCl\rightarrow2AlCl_3+3H_2O\)
g \(H_2O+SO_2\rightarrow H_2SO_3\)
h \(H_2SO_4+ZnO\rightarrow ZnSO_4+H_2O\)
2
a
\(\left(1\right)Fe_2\left(SO_4\right)_3+3BaCl_2\rightarrow2FeCl_3+3BaSO_4\)
\(\left(2\right)FeCl_3+3NaOH\rightarrow Fe\left(OH\right)_3+3NaCl\\ \left(3\right)Fe_2\left(SO_4\right)_3+6NaOH\rightarrow2Fe\left(OH\right)_3+3Na_2SO_4\\ \left(4\right)2Fe\left(OH\right)_3+3H_2SO_4\rightarrow Fe_2\left(SO_4\right)_3+6H_2O\\ \left(5\right)2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\\ \left(6\right)Fe_2O_3+3H_2SO_4\rightarrow Fe_2\left(SO_4\right)_3+3H_2O\)
b
\(\left(1\right)2Cu+O_2\underrightarrow{t^o}2CuO\\ \left(2\right)CuO+H_2\underrightarrow{t^o}Cu+H_2O\\ \left(3\right)CuO+2HCl\rightarrow CuCl_2+H_2O\\ \left(4\right)CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\\ \left(5\right)Cu\left(OH\right)_2+2HCl\rightarrow CuCl_2+2H_2O\\ \left(6\right)Cu\left(OH\right)_2\underrightarrow{t^o}CuO+H_2O\)
c mờ quá bạn: )
