make balanced equations...
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Answer:
Explanation:
BaCO3+2HNo3 - Ba(NO3)2+H2O+CO2
NaOH+FeSO4 - Na2SO4+Fe(OH)2
2NaHCO3 - Na2CO3+CO2+H2O
Ca(OH)2 +CO2 - CaCO3+H2O
4th is already balanced
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