1) медь (+1) Cu2O
2) литий (+1) Li2O
3) алюминий (+3) Al2O3
<span>СuSO4+2NaOH=CuOH2+Na2SO4
</span><span>Cu(OH)2=CuO+H2O
</span><span>CuO+H2=Cu+H2O
</span>
<span>Cu(2+)+SO4(2-) +2Na(+)+2OH(-)=Cu(OH)2(осадок)+2Na(+)+SO4(2-)
</span><span>Cu(2+)+2OH(-)=Cu(OH)2(осадок)</span>
NH₄OH + HCl = NH₄Cl + H₂O
NH₄OH + HNO₃ = NH₄NO₃ + H₂O
NH₄OH + H₂SO₄ = NH₄HSO₄ + H₂O
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