а)KHS + KOH = K2SO4 + H2OCrOHCl2 + HCl = CrCl2 + H2ONa2SO3 + 2HCl = 2NaCl + H2O + SO2Pb(OH)2 + 2NaOH = Na2PbO2 + 2H2O
б)Zn^2+ + 2OH^- = Zn(OH)2Ni(OH)2 + 2H^+ = Ni^2+ + 2H2OHS^- + OH^- = S2^- + H2OBa^2+ + SO4^2- = BaSO4
а)
KHS + KOH = K2SO4 + H2O
CrOHCl2 + HCl = CrCl2 + H2O
Na2SO3 + 2HCl = 2NaCl + H2O + SO2
Pb(OH)2 + 2NaOH = Na2PbO2 + 2H2O
б)
Zn^2+ + 2OH^- = Zn(OH)2
Ni(OH)2 + 2H^+ = Ni^2+ + 2H2O
HS^- + OH^- = S2^- + H2O
Ba^2+ + SO4^2- = BaSO4