P₂O₅ + 3H₂O = 2H₃PO₄
CuCl₂ + 2AgNO₃ = Cu(NO₃)₂ + 2AgCl↓
FeCl₂ + 2NaOH = Fe(OH)₂ ↓+ 2NaCl
Cu + 2AgNO₃ = Cu(NO₃)₂ + 2Ag
P₂O₅ + 3H₂O = 2H₃PO₄
CuCl₂ + 2AgNO₃ = Cu(NO₃)₂ + 2AgCl↓
FeCl₂ + 2NaOH = Fe(OH)₂ ↓+ 2NaCl
Cu + 2AgNO₃ = Cu(NO₃)₂ + 2Ag