элемент с порядковым номером 13 - алюминий (Al)
по уравнению реакции (моль)
1)AlBr3+HOH=AlOHBr2+HBr
Al(3+) +3Br(-) +HOH=AlOH(2+) +2Br(-) +H(+) +Br(-)
<span>Al(3+) +HOH=AlOH(2+) +H(+)
2)</span>FeCl2<span> + HOH ↔ FeOHCl + HCl</span>
Fe2+<span> + 2Cl</span>-<span> + H</span>2O ↔ FeOH+<span> + Cl</span>-<span> + H</span>+<span> + Cl</span>-
Fe2+<span> + H</span>2O ↔ FeOH+<span> + H</span><span>+
3)</span> CuSO4<span> + 2H</span>2O = Cu(OH)2<span> + H</span>2SO4
Cu2+<span> + SO</span>42-<span> + 2H</span>2O = Cu(OH)2<span> + 2H</span>+<span> + SO</span>4<span>2-
4)</span><span>KNO2 + H2O = KOH + HNO2 </span>
<span>K+ + NO2- + H2O = K+ + OH- + HNO2 </span>
<span>NO2- + H2O = OH- + HNO2</span><span>
</span>
NH₃ аммиак
H₂S сероводород
CH₄ метан