$A: NaCl$
$B: Na$
$T: Cl_2$
$D: NaOH$
$X: H_2$
$E: NaHCO_3$
$G: Na_2CO_3$
$M: H_2O$
$H: NaClO$
$L: NaHSO_4$
$I: HCl$
PTHH:
1. $2NaCl\buildrel{{\text{dpnc}}}\over\to 2Na+Cl_2$
2. $2Na+2H_2O\to 2NaOH+H_2$
3. $NaOH+CO_2\to NaHCO_3$
4. $NaHCO_3+NaOH\to Na_2CO_3+H_2O$
5. $Na_2CO_3+2HCl\to 2NaCl+CO_2+H_2O$
6. $NaCl+H_2O\buildrel{\text{điện phân dd, không ngăn}}\over\longrightarrow NaClO+H_2$
8. $2NaCl+2H_2O\buildrel{{\text{đpmn}}}\over\to 2NaOH+H_2+Cl_2$
9. $2NaOH+Cl_2\to NaCl+NaClO+H_2O$
10. $NaClO+2HCl\to NaCl+H_2O+Cl_2$