P-P2O5-H3PO4-Na3PO4
4P+5O2=2P2O5
P2O5 + 3H2O = 2H3PO4
H3PO4 + 3NaOH = Na3PO4 + 3H2O
Zn-ZnO-ZnCl2-Zn(OH)2-ZnSO4
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl
Zn(OH)2 + H2SO4 = ZnSO4+ 2H2O
P-P2O5-H3PO4-Na3PO4
4P+5O2=2P2O5
P2O5 + 3H2O = 2H3PO4
H3PO4 + 3NaOH = Na3PO4 + 3H2O
Zn-ZnO-ZnCl2-Zn(OH)2-ZnSO4
2Zn + O2 = 2ZnO
ZnO + 2HCl = ZnCl2 + H2O
ZnCl2 + 2NaOH = Zn(OH)2 + 2NaCl
Zn(OH)2 + H2SO4 = ZnSO4+ 2H2O