Ответ:
а) BaO+2HCl=BaCl2+H2O
BaCl2+K2SO4=BaSO4+2KCl
б) Ca+2H2O=Ca(OH)2+H2
Ca(OH)2+Na2CO3=CaCO3+2NaOH
CaCO3=CaO+CO2
CaO+2HCl=CaCl2+H2O
CaCl2+K2CO3=2KCl+CaCO3
в) CuO+H2SO4=CuSO4+H2O
CuSO4+2KOH=Cu(OH)2+K2SO4
Cu(OH)2=CuO+H2O
CuO+2HCl=CuCl2+H2O
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Answers & Comments
Ответ:
а) BaO+2HCl=BaCl2+H2O
BaCl2+K2SO4=BaSO4+2KCl
б) Ca+2H2O=Ca(OH)2+H2
Ca(OH)2+Na2CO3=CaCO3+2NaOH
CaCO3=CaO+CO2
CaO+2HCl=CaCl2+H2O
CaCl2+K2CO3=2KCl+CaCO3
в) CuO+H2SO4=CuSO4+H2O
CuSO4+2KOH=Cu(OH)2+K2SO4
Cu(OH)2=CuO+H2O
CuO+2HCl=CuCl2+H2O