To write a balanced equation for the reaction between dilute hydrochloric acid (HCl) and copper(II) carbonate (CuCO₃), we need to consider the chemical formulas and their respective valences.
The chemical formula for copper(II) carbonate is CuCO₃. It can also be written as CuO₃CO, indicating the presence of the carbonate ion (CO₃²⁻).
The reaction between hydrochloric acid and copper(II) carbonate can be represented by the following balanced equation:
2HCl + CuCO₃ -> CuCl₂ + CO₂ + H₂O
In this equation:
- 2HCl represents two molecules of hydrochloric acid, which dissociate into two H⁺ ions and two Cl⁻ ions in an aqueous solution.
- CuCO₃ represents copper(II) carbonate, which decomposes in the presence of acid to form copper(II) chloride (CuCl₂), carbon dioxide (CO₂), and water (H₂O).
Note that this equation assumes that all reactants and products are in their ionic forms when dissolved or in an aqueous solution.
It's important to emphasize that this equation represents a simplified view of the reaction, as the actual reaction may involve more complex processes and intermediates.