LiOH=Li+ +OH-
H2SO3=2H+ +(SO3)2-
Ca3(PO4)2=(3Ca)2+ +(2PO4)3-
NaNO3=Na+ + NO3
MgS=Mg2+ +S2-
H2S=2H+ +S2-
Fe(OH)2=Fe2+ +2OH-
NaOH+HNO3=NaNO3+H2O
Na+ +OH- +H+ +NO3- +=Na+ +NO3- +H20
OH- +H+=H2O
Mg(NO3)2+KOH=Mg(OH)2(осадок стрелка вниз)+KNO3
Mg2+ +2NO3- +K+ +OH-=Mg(OH)2+K+ +NO3-
Mg2+ +OH-=Mg(OH)2