Question

What is the net ionic equation for the reaction if any that occurs when aqueous solutions of Na2CO3 and HCL are mixed?

Answer 1

The net ionic equation for the reaction between sodium carbonate (Na2CO3) and hydrochloric acid (HCl) is CO3^2-(aq) + 2H+(aq) → H2O(l) + CO2(g), which shows the reaction of carbonate ions with hydrogen ions to produce water and carbon dioxide.

Step-by-step explanation:

When sodium carbonate (Na2CO3) and hydrochloric acid (HCl) are mixed in an aqueous solution, a chemical reaction takes place. The net ionic equation for this reaction can be derived by following these steps:

Write the balanced molecular equation for the reaction:

Na2CO3(aq) + 2HCl(aq) → 2NaCl(aq) + H2O(l) + CO2(g)

Write the full ionic equation by dissociating all strong electrolytes into their constituent ions:

2Na+(aq) + CO32-(aq) + 2H+(aq) + 2Cl-(aq) → 2Na+(aq) + 2Cl-(aq) + H2O(l) + CO2(g)

Identify and remove the spectator ions (ions that appear on both sides of the equation in the same form) to find the net ionic equation:

CO32-(aq) + 2H+(aq) → H2O(l) + CO2(g)

The reaction between sodium carbonate and hydrochloric acid thus simplifies to the combination of carbonate ions and hydrogen ions to form water and carbon dioxide gas.

Answer 2

CO₃²⁻(aq) + 2H⁺(aq) → CO₂ (g) + H₂O (l)

Step-by-step explanation:

The balanced reaction between Na2CO3 and HCl is given as;

Na₂CO₃ (aq) + 2 HCl (aq) → 2 NaCl (aq) + CO₂ (g) + H₂O (l)

The next step is o express the species as ions.

The complete ionic equation for the above reaction would be;

2Na⁺(aq) + CO₃²⁻(aq) + 2H⁺(aq) + 2Cl⁻(aq) → Na⁺(aq) + Cl⁻(aq) + CO₂ (g) + H₂O (l)

The next step is to cancel out the spectator ion ions; that is the ions that appear in both the reactant and product side unchanged.

The spectator ions are; Na⁺ and Cl⁻

The net ionic equation is given as;

CO₃²⁻(aq) + 2H⁺(aq) → CO₂ (g) + H₂O (l)