Combining Aqueous Solutions of BaI₂ and Na₂SO₄ affords a Precipitate

question 127

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

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