ЧастьА
1.2
2.3
3.2
4.4
5.4
6.3
7.4
8.2
9.3
10.4
Fe+H2SO4=FeSO4+H2
FeSO4+BaCl2=FeCl2+BaSO4
FeCl2+2NaOH=Fe(OH)2+2NaCl
Fe(OH)2=FeO+H2O
H2so4+mgcl2=mgso4+2hcl
MgCl2 + 2NaOH = Mg(OH)2 + 2NaCl
<span>MgCl2 + 2AgNO3 = 2AgCl↓ + Mg(NO3)2
</span><span>MgCl2 + 2(NH3•H2O) → Mg(OH)2 + 2NH4Cl
</span>MgCl2 + H2CO3 --> MgCO3 + 2H<span>Cl
</span><span>MgCl2 + NH4OH = NH4Cl2 + MgOH</span>