По схемам написать уравнение реакций:
а) K --> K2O --> KOH --> K2CO3 --> CO2
б) Na --> NaOH --> Na2SO4 --> BaSO4
а) K --> K2O --> KOH --> K2CO3 --> CO2
б) Na --> NaOH --> Na2SO4 --> BaSO4
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Answers & Comments
K2O+H2O=2KOH
2KOH+H2CO3=K2CO3+2H2O
K2CO3=CO2+2KO