SO3 + H2O=H2SO4
<span>в) СО2 + Na2O <span>= Na2CO3
</span></span>
<span> СаО + 2 Н2О <span>= Ca(OH)2 + H2O
</span></span>
<span>е) CuO + H2SO4 <span>( концентр) = CuSO4 + H2S + H2O
</span></span>
Сa + 2HNO₃ = Ca(NO₃)₂ + H₂↑
Сa + 2H⁺ + 2NO₃⁻ = Ca²⁺ + 2NO₃⁻ + H₂↑
Сa + 2H⁺ = Ca²⁺ + H₂↑
Mg + 2HCl = MgCl₂ + H₂↑
Mg + 2H⁺ + 2Cl⁻ = Mg²⁺ + 2Cl + H₂↑
Mg + 2H⁺ = Mg²⁺ +H₂↑
CaO + 2HCl = CaCl₂ + H₂O<span>
</span>CaO + 2H⁺ + 2Cl⁻ = Ca²⁺ + 2Cl⁻ + H₂O<span>
</span>CaO + 2H⁺ = Ca²⁺ + H₂<span>O
</span>BaO + 2HNO₃ = Ba(NO₃)₂ + H₂O
BaO + 2H⁺ + 2NO₃⁻ = Ba²⁺ + 2NO₃⁻ + H₂O
BaO + 2H⁺ = Ba²⁺ + H₂<span>O
</span>
H₂SO₄ + 2NaOH = Na₂SO₄ + 2H₂O<span>
2</span>H⁺ + SO₄²⁻ + 2Na⁺ + 2OH⁻ = 2Na⁺ + SO₄²⁻ + 2H₂O<span>
2</span>H⁺ + 2OH⁻ = 2H₂<span>O
</span>Mg(OH)₂ + 2HNO₃ = Mg(NO₃)₂ + 2H₂O<span>
</span>Mg(OH)₂ + 2H⁺ + 2NO₃⁻ = Mg²⁺ + 2NO₃⁻ + 2H₂O<span>
</span>Mg(OH)₂ + 2H⁺ = Mg²⁺ + 2H₂<span>O
</span>
<span>BaCl₂ + H₂SO₄ = BaSO₄↓ + 2HCl<span>
</span>Ba²⁺ + 2Cl⁻ + 2H⁺+ SO₄²⁻ = BaSO₄↓ + 2H⁺ + 2Cl⁻<span>
</span>Ba²⁺ + SO₄²⁻ = BaSO₄<span>↓
</span></span>Al(NO₃)₃ + Na₃PO₄ = AlPO₄↓ + 3NaNO₃<span>
</span>Al³⁺ + 3NO₃⁻ + 3Na⁺ + PO₄ = AlPO₄↓ + 3Na⁺ + 3NO₃⁻<span>
</span>Al³⁺ + PO₄ = AlPO₄↓<span> </span>
C6H6 → C6H5Cl → <span>C6H5OH
1) </span>C6H6 + Cl2 → C6H5Cl + HCl<em> </em><span><em>в присутствии катализатора (FeCl3, AlCl3)
</em>2) </span>C6H5Cl + NaOH → C6H5OH + NaCl
CuCl2+2NaOH=Cu(OH)2↓+2NaCl
Cu(NO3)2+2KOH = Cu(OH)2↓ + 2KNO3
CuSO4 + 2LiOH = Cu(OH)2↓ + Li2SO4