ZnSO₄ + 2KOH = Zn(OH)₂ + K₂SO₄
Zn⁺² + SO₄⁻² + 2K⁺ + 2OH⁻ = Zn(OH)₂ + 2K⁺ + SO₄⁻²
Zn⁺² + 2OH⁻ = Zn(OH)₂
Ca3(PO4)2=3CaO+P2O5
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1.б
2. 1 и в 2 картинки
<span>3. Cl2 + CH3-COOH = Ci-CH2-COOH + HCl
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<span>4. NH2–CH2–COOH + NH2–CH2–COOH --> NH2–CH2–CO–NH–CH2–COOH + H2O
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CuSO4 + H2O =Cu(OH)2 (осадок) <span>+H2SO4</span>