Answer :
Answer:
Molecular: Na₂S (aq) + ZnSO₄ (aq) → ZnS (s) ↓ + Na₂SO₄(aq)
Total ionic: Reactants
2Na⁺ + S⁻² (aq) + Zn²⁺ + SO₄⁻² (aq)
Products
2Na⁺ + SO₄⁻²(aq)
Net ionic: S⁻² (aq) + Zn²⁺(aq) → ZnS (s)
Explanation:
We determine the main reaction:
Na2S(aq) + ZnSO4(aq)---->
The balanced molecular:
Na₂S (aq) + ZnSO₄ (aq) → ZnS (s) ↓ + Na₂SO₄(aq)
We determine the ions of each reactant and product:
2Na⁺ + S⁻² (aq) + Zn²⁺ + SO₄⁻² (aq) → ZnS (s) + 2Na⁺ + SO₄⁻²(aq)
As ths zinc suflide is a solid, we do not have to write their ions
Spectators ions are Na and sulfate
Net ionic: S⁻² (aq) + Zn²⁺(aq) → ZnS (s)