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etelv
@etelv
July 2022
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Помогите с цепочкой превращений, плиииз!!!
Ca - - CaO2
- - CaCO3 - - Ca(HCo3)2 - - CaCO3
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krist12
2Ca+O2=2CaO
CaO+CO2=CaCO3
CaCO3+H2CO3=Ca(HCO3)2
Ca(HCO3)2=CaCO3+H2CO3
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DJToxa
Verified answer
2Ca+O2=2CaO
CaO+CO2=CaCO3
CO2+H2O+CaCO3=Ca(HCO3)2
последняя реакция обратная
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Answers & Comments
CaO+CO2=CaCO3
CaCO3+H2CO3=Ca(HCO3)2
Ca(HCO3)2=CaCO3+H2CO3
Verified answer
2Ca+O2=2CaOCaO+CO2=CaCO3
CO2+H2O+CaCO3=Ca(HCO3)2
последняя реакция обратная