1) Pb(NO3)2 + 2 NaOH -> Pb(OH)2 + 2 NaNO3Pb(OH)2 + 2 HClO3 -> Pb(ClO3)2 + 2 H2OPb(ClO3)2 -> PbOHCIO3PbOHCIO3 -> Pb(OH)2
2) H2SO4 + Fe -> Fe2(SO4)3 + H2Fe2(SO4)3 + 6 NaOH -> 2 Fe(OH)3 + 3 Na2SO42 Fe(OH)3 + H2SO4 -> [Fe(OH)2]2SO4 + 2 H2O[Fe(OH)2]2SO4 -> FeOHSO4
1) Pb(NO3)2 + 2 NaOH -> Pb(OH)2 + 2 NaNO3
Pb(OH)2 + 2 HClO3 -> Pb(ClO3)2 + 2 H2O
Pb(ClO3)2 -> PbOHCIO3
PbOHCIO3 -> Pb(OH)2
2) H2SO4 + Fe -> Fe2(SO4)3 + H2
Fe2(SO4)3 + 6 NaOH -> 2 Fe(OH)3 + 3 Na2SO4
2 Fe(OH)3 + H2SO4 -> [Fe(OH)2]2SO4 + 2 H2O
[Fe(OH)2]2SO4 -> FeOHSO4