Combining Aqueous Solutions of BaI₂ and Na₂SO₄ Affords a Precipitate

question 131

Multiple Choice

Combining aqueous solutions of BaI₂ and Na₂SO₄ affords a precipitate of BaSO₄. Which ion(s) is/are spectator ions in the reaction?

• A)Ba²⁺ only
• B)Na⁺ only
• C)Ba²⁺ and SO₄^2-
• D)Na⁺ and I^-
• E)SO₄^2- and I^-

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