Ответ:
Объяснение:
1)2KOH+MgCl2= Mg(OH)⬇️+2KCl
2K++2OH- + Mg2++2Cl- = Mg(OH)2⬇️+ 2K++ 2Cl-
Mg2+ + 2OH- = Mg(OH)2
2)Na2S+2HCl=H2S⬆️+2NaCl
2Na++ S2- + 2H++ 2Cl-= H2S⬆️+ 2Na++ 2Cl-
S2- + 2H+ = H2S
3)Pb(OH)2+2HCl=PbCl2+2H2O
Pb(OH)2 + 2H+ + 2Cl- = Pb2+ + 2Cl- + 2H2O
Pb(OH)2+2H+= Pb2+ +2H2O
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Ответ:
Объяснение:
1)2KOH+MgCl2= Mg(OH)⬇️+2KCl
2K++2OH- + Mg2++2Cl- = Mg(OH)2⬇️+ 2K++ 2Cl-
Mg2+ + 2OH- = Mg(OH)2
2)Na2S+2HCl=H2S⬆️+2NaCl
2Na++ S2- + 2H++ 2Cl-= H2S⬆️+ 2Na++ 2Cl-
S2- + 2H+ = H2S
3)Pb(OH)2+2HCl=PbCl2+2H2O
Pb(OH)2 + 2H+ + 2Cl- = Pb2+ + 2Cl- + 2H2O
Pb(OH)2+2H+= Pb2+ +2H2O