Hoàn thành chuỗi phương trình phản ứng: Ba -> BaO -> Ba(OH)2 -> BaCO3

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1) 2Ba + O2 -> 2BaO

2) BaO + H2O -> Ba(OH)2

3) Ba(OH)2 + Na2CO3 -> BaCO3 + 2NaOH

4) BaCO3 -> BaO + CO2

5) 2CO2 + Ba(OH)2 -> Ba(HCO3)2

6) Ba(HCO3)2 -> BaCO3 + CO2 + H2O

7) BaCO3 + 2HCl -> BaCl2 + CO2 + H2O

1) 2Ba + O₂ -> 2BaO

2) BaO + H₂O -> Ba(OH)₂

3) Ba(OH)₂ + Na₂CO₃ -> BaCO₃ + 2NaOH

4) BaCO₃ -> BaO + CO₂

5) 2CO₂ + Ba(OH)₂ -> Ba(HCO₃)₂

6) Ba(HCO₃)₂ -> BaCO₃ + CO₂ + H₂O

7) BaCO₃ + 2HCl -> BaCl₂ + CO₂ + H₂O