Ответ:
Объяснение:
1) 2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
2) CaO + H2SO4 = CaSO4 + H2O
3) Ca(OH)2 + SO2 = CaSO3 + H2O
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Answers & Comments
Ответ:
Объяснение:
1) 2Ca + O2 = 2CaO
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HCl = CaCl2 + 2H2O
2) CaO + H2SO4 = CaSO4 + H2O
3) Ca(OH)2 + SO2 = CaSO3 + H2O