In the reaction, k2so4(aq) + ba(no3)2(aq) → baso4(s) + 2 kno3(aq) , which ions are the spectator ions?

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14-05-2018
Chemistry

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In the reaction, k2so4(aq) + ba(no3)2(aq) → baso4(s) + 2 kno3(aq) , which ions are the spectator ions?

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Dejanras Dejanras · Answer 1 · 2018-05-23T20:43:12+02:00

Answer is: spectator ions are NO₃⁻(aq) + 2K⁺.
Balanced reaction hemical reaction:
Ba(NO₃)₂(aq) + K₂SO₄(aq) → BaSO₄(s) + 2KNO₃(aq).
Ionic reaction:
Ba²⁺(aq) + 2NO₃⁻(aq) + 2K⁺(aq) + SO₄²⁻(aq) → BaSO₄(s) + 2K⁺(aq) + 2NO₃⁻(aq).
Net ionic reaction: Ba²⁺(aq) + SO₄²⁻(aq) → BaSO₄(s).
A spectator ion is an ion that exists as a reactant and a product in a chemical equation.