1) H2O+CO2=H2CO3
2) CH4+2O2=CO2+2H2O
3) CO2+2NaOH=Na2CO3+H2O
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1) H2O+CO2=H2CO3
2) CH4+2O2=CO2+2H2O
3) CO2+2NaOH=Na2CO3+H2O
2.O2
3.NA2H
думаю вроде так