Ответ:
1) Na+H2O=NaOH+0,5H2
2NaOH+CO2=Na2CO3+H2O
2) Ca+0,5O2=CaO
CaO+h2O=Ca(OH)2
Ca(OH)2+CO2=CaCO3+H2O
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Ответ:
1) Na+H2O=NaOH+0,5H2
2NaOH+CO2=Na2CO3+H2O
2) Ca+0,5O2=CaO
CaO+h2O=Ca(OH)2
Ca(OH)2+CO2=CaCO3+H2O