In a laboratory setting, you mix barium nitrate (Ba(NO₃)₂) with sodium sulfate (Na₂SO₄). What is the expected outcome?

• A. Sodium nitrate (NaNO₃) will precipitate out.
• B. The solution will remain clear with no precipitate.
• C. Both compounds will dissolve completely.
• D. A precipitate of barium sulfate (BaSO₄) will form.

Answer: (D)