Daily Uses:
- Used as a fertilizer for potassium-deficient soils.
- Added to sports drinks as an electrolyte.
- Found in baking powders as a leavening agent.
Application Fields:
- Agriculture, food additives, pharmaceutics, fire retardants.
Synthesis Method:
- Neutralization: React phosphoric acid (H₃PO₄) with potassium hydroxide (KOH) in a 1:1 molar ratio.
- Chemical equation: \(H_3PO_4 + KOH \rightarrow KH_2PO_4 + H_2O\)