Write the reaction equations: BaCO3 + H2SO4 – BaSO4 + H2CO3

The molecular equation of the reaction shows the molecules of which substances enter into the reaction and are formed as a result. The full ionic equation shows which ions are present in the reaction medium, and the abbreviated ionic equation shows which ions have reacted with each other.
It must be remembered that carbonic acid is weak and decomposes into carbon dioxide and water at the moment of formation. Barium carbonate and barium sulfate are insoluble.
BaCO3 + H2SO4 -> BaSO4 + H2CO3,
Ba CO3 + 2 H (+) + SO4 (-2) = BaSO4 + CO2 + H2O.



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