Ответ:
1)4P + 5O2 = 2P2O5
P2O5 + 3H2O = 2H3PO4
H3PO4 + 3NaOH = Na3PO4 + 3H2O
2)CuO + 2HCl = CuCl2 + H2O
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 + H2SO4 = CuSO4 + H2O
3)CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
CaCl + Na2SO4 = CaSO4 + 2NaCl
Объяснение:
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Ответ:
1)4P + 5O2 = 2P2O5
P2O5 + 3H2O = 2H3PO4
H3PO4 + 3NaOH = Na3PO4 + 3H2O
2)CuO + 2HCl = CuCl2 + H2O
CuCl2 + 2NaOH = Cu(OH)2 + 2NaCl
Cu(OH)2 + H2SO4 = CuSO4 + H2O
3)CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
CaCl + Na2SO4 = CaSO4 + 2NaCl
Объяснение: