Daily Uses:
- Used in baking powders to produce CO₂ gas for leavening.
- Added to fast-food products (e.g., chicken nuggets) to improve batter adhesion.
- Used in tooth whitening gels to adjust pH.
Application Fields:
- Baked goods, processed foods, personal care, pharmaceutics.
Synthesis Method:
- Acid-base reaction: React phosphoric acid (H₃PO₄) with sodium hydroxide (NaOH) under controlled pH and temperature.
- Chemical equation: \(2H_3PO_4 + 2NaOH \rightarrow Na_2H_2P_2O_7 + 4H_2O\)