Объяснение:
Fe2(SO4)3 +3 CaCl2 = 3CaSO4 + 2FeCl3
Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3Na2SO4
Fe2(SO4)3 + 3Zn = 3ZnSO4 + 2Fe
CaCl2 + Na2CO3 = CaCO3 + 2NaCl
Na2CO3 + 2HCl = 2NaCl + CO2 + H2O
HCl + NaOH = NaCl + H2O
2HCl + Zn = ZnCl2 + H2
Zn + 2NaOH = Na2ZnO2 + H2
Объяснение:
Fe2(SO4)3 +3 CaCl2 = 3CaSO4 + 2FeCl3
Fe2(SO4)3 + 6NaOH = 2Fe(OH)3 + 3Na2SO4
Fe2(SO4)3 + 3Zn = 3ZnSO4 + 2Fe
CaCl2 + Na2CO3 = CaCO3 + 2NaCl
Na2CO3 + 2HCl = 2NaCl + CO2 + H2O
HCl + NaOH = NaCl + H2O
2HCl + Zn = ZnCl2 + H2
Zn + 2NaOH = Na2ZnO2 + H2