Fill in the missing products and balance the chemical equations: 1) 3Na₂O + 2H₃PO₄ → 2) Al₂O₃ + H₂SO₄ → 3) Fe₂O₃ + HNO₃ → 4) MgO + H₃PO₄ → Write the molecular and ionic equations for reaction 1.

Chemical Reactions

Here are the balanced chemical equations:

• 1) 3Na₂O + 2H₃PO₄ → 2Na₃PO₄ + 3H₂O
• 2) Al₂O₃ + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂O
• 3) Fe₂O₃ + 6HNO₃ → 2Fe(NO₃)₃ + 3H₂O
• 4) 3MgO + 2H₃PO₄ → Mg₃(PO₄)₂ + 3H₂O

Reaction 1: Molecular and Ionic Equations

Molecular Equation:

3Na₂O + 2H₃PO₄ → 2Na₃PO₄ + 3H₂O

Ionic Equation:

6Na⁺ + 3O²⁻ + 6H⁺ + 2PO₄³⁻ → 6Na⁺ + 2PO₄³⁻ + 3H₂O

Net Ionic Equation:

3O²⁻ + 6H⁺ → 3H₂O