Объяснение:
1) 3Ba(OH)2+2H3PO4= Ba3(PO4)2+ 6H2O
2) CaO+CO2= CaCO3↓
3) 2NaOH+CuSO4= Na2SO4+Cu(OH)2↓
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Объяснение:
1) 3Ba(OH)2+2H3PO4= Ba3(PO4)2+ 6H2O
2) CaO+CO2= CaCO3↓
3) 2NaOH+CuSO4= Na2SO4+Cu(OH)2↓