Ответ:
3,4
Объяснение:
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
CaO + 2HCl = CaCl2 + H2O
CaCO3 + 2HCl = CaCl2 + CO2 + H2O
Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeO + 2HCl = FeCl2 + H2O
Fe + 2HCl = FeCl2 + H2
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Answers & Comments
Ответ:
3,4
Объяснение:
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
CaO + 2HCl = CaCl2 + H2O
CaCO3 + 2HCl = CaCl2 + CO2 + H2O
Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeO + 2HCl = FeCl2 + H2O
Fe + 2HCl = FeCl2 + H2