K2S:K2S + H2O -> 2KOH + H2S
FeS:FeS + 2H2O -> Fe(OH)2 + H2S
PbI2:PbI2 + 2H2O -> Pb(OH)2 + 2HI
NaCl:NaCl + H2O -> NaOH + HCl
K2S:
K2S + H2O -> 2KOH + H2S
FeS:
FeS + 2H2O -> Fe(OH)2 + H2S
PbI2:
PbI2 + 2H2O -> Pb(OH)2 + 2HI
NaCl:
NaCl + H2O -> NaOH + HCl