2NaCl=2Na+Cl2-электролиз
2Na+2H2O=2NaOH+H2
2NaOH+SO3=Na2SO4+H2O;(2OH(-) +SO3=SO4(2-) +H2O)
Na2SO4+BaCl2=BaSO4+2NaCl; (Ba(2+) +SO4(2-)=BaSO4)
NaCl(тв.)+HNO3=NaNO3+HCl(газ);-NaCl+H(+) =Na(+) +HCl
2С2H5OH+2Na=2C2H5ONa+H2
2NaCl=2Na+Cl2-электролиз
2Na+2H2O=2NaOH+H2
2NaOH+SO3=Na2SO4+H2O;(2OH(-) +SO3=SO4(2-) +H2O)
Na2SO4+BaCl2=BaSO4+2NaCl; (Ba(2+) +SO4(2-)=BaSO4)
NaCl(тв.)+HNO3=NaNO3+HCl(газ);-NaCl+H(+) =Na(+) +HCl
2С2H5OH+2Na=2C2H5ONa+H2