a)ca(oh)2+2hcl=CaCl2+2H2O
Ca+2OH+2H+2Cl=Ca+2Cl=2H2O
2OH+2H=2H2O
б) mgso4+2kon=Mg(OH)2+K2SO4
Mg+SO4+2K+2OH=Mg(OH)2+2K+SO4
Mg+2OH=Mg(OH)2
a)ca(oh)2+2hcl=CaCl2+2H2O
Ca+2OH+2H+2Cl=Ca+2Cl=2H2O
2OH+2H=2H2O
б) mgso4+2kon=Mg(OH)2+K2SO4
Mg+SO4+2K+2OH=Mg(OH)2+2K+SO4
Mg+2OH=Mg(OH)2