Question

Химия!! Помогите, даю 30 балов

Answer 1

1)4P+5O2-->2P2O5
2)P2O5+3H2O-->2H3PO4
3)H3PO4+3NaOH-->Na3PO4+3H2O

1)2Zn+O2-->2ZnO
2)ZnO+2HCl-->ZnCl2+H2O
3)ZnCl2+2NaOH-->Zn(OH)2+2NaCl
4)Zn(OH)2+H2SO4-->ZnSO4+2H2O