• Sep 10, 2025 Identity Of An Insoluble Precipitate Lab Answer tions of barium chloride (BaCl₂) and sodium sulfate (Na₂SO₄) produces barium sulfate (BaSO₄), an insoluble precipitate, and sodium chloride (NaCl), which remains dissolved: **Molecular equation:** BaCl₂ (aq) + Na₂SO₄ (aq) → BaSO₄ (s) BY Clayton Wyman