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Write the net ionic equation for the precipitation of calcium sulfide from aqueous solution


Sagot :

Answer:

Answer is Ca2+(aq)+S2-(aq)=>CaS(s)

Explanation:

I hope it's helpful!

The net ionic equation for the precipitation of calcium sulfide in solution is; Ca^2+(aq) + S^2-(aq)   -------> CaS(s)

Let me give a typical instance since your question is incomplete. Imagine an aqueous solution of H2S and CaCl2 from which calcium sulfide does precipitate.

The molecular reaction equation is;

H2S(aq) + CaCl2(aq) -------> CaS(s) + 2HCl(aq)

The complete ionic equation is;

2H^+(aq) + S^2-(aq) + Ca^2+(aq) + 2Cl^-(aq) -------> CaS(s) + 2H^+(aq) + 2Cl^-(aq)

The net ionic equation is;

Ca^2+(aq) + S^2-(aq)   -------> CaS(s)

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