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lana66690 [7]
3 years ago
13

Write the net ionic equation (including phases) that corresponds to

Chemistry
2 answers:
Serhud [2]3 years ago
7 0
                       Pb(NO₃)₂(aq) + K₂S(aq) → PbS(s) + 2KNO₃(aq)
Pb⁺(aq) + 2NO₃⁻(aq) + K₂⁺(aq) + S⁻(aq) → PbS(s) + K₂⁺(aq) + 2NO₃⁻(aq)
                                  Pb⁺(aq) + S⁻(aq) → PbS(s)
polet [3.4K]3 years ago
6 0

Answer: Pb^{2+}(aq)+2S^{2-}(aq)\rightarrow PbS(s)

Explanation:

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The given chemical equation is:

Pb(NO_3)_2(aq)+K_2S(aq)\rightarrow PbS(s)+2KNO_3(aq)

Pb^{2+}(aq)+2NO_3^-(aq)+2K^+(aq)+S^{2-}(aq)\rightarrow PbS(s)+2K^+(aq)+NO_3^-(aq)

The ions which are present on both the sides of the equation are potassium and nitrate ions and hence are not involved in net ionic equation is:

Hence, the net ionic equation is Pb^{2+}(aq)+2S^{2-}(aq)\rightarrow PbS(s)

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