молекулярное
MgCl2 + 2NaOH → Mg(OH)2 + 2 NaCl
Al3+ S2-
Na+ S2-
K+ Cl-
Cu+ O2-
Fe3+ O2-
Na+ O2-
P+5 O2-
P+3 O2-
N3+ O2-
Если нужны пояснения, спрашивайте!
<span>Fe2O3 + 2 Al = Al2O3 + 2 Fe
</span><span>N2O3 + H2O = 2 HNO<span>2
</span></span><span>FeO + H2 = H2O + Fe
</span><span>2 NaI + Br2 = 2 NaBr + I<span>2
</span></span><span>2 KNO3 = 2 KNO2 + O<span>2</span></span>