Question

3.Осуществите превращение:
Na-Na20-NaOH-

Answer 1

1) 4Na+O2=2Na2O
2)Na2O+H2O=2NaOH
3)2NaOH+CuCl2=Cu(OH)2+2NaCl
4)6NaCl+2KMnO4+4H2O=6NaOH+2KOH+3Cl2+2MnO2
5)2NaOH+CuSO4=Na2SO4+Cu(OH)2
6)Na2SO4+BaCl2=BaSO4+2NaCl