Na→Na2O2→Na2O→NaOH→Na2SO4→Na No

Question

Na→Na2O2→Na2O→NaOH→Na2SO4→Na No

Answer 1

1.Na + 02=Na2O2
2.///
3.Na2O+H2O=NaOH
4.NaOH+H2SO4=Na2SO4+H2O
5.///
проверь еще раз 2 и 5 условие