What is Li2HPO4? Important knowledge about Li2HPO4.

1. Definition of Li₂HPO₄
   1.1.1 Li₂HPO₄, also known as Hydro photphat Lithium, is a chemical substance.
   1.1.2 Its English name is Lithium Hydrogen Phosphate.
   1.2. The atomic mass of Li₂HPO₄ is 103.92578.
   1.3. The molar mass of Li₂HPO₄ is 103.92578 g/mol.
   1.3.1 The molecular structure of Li₂HPO₄ consists of 2 lithium (Li) atoms, one hydrogen (H) atom, one phosphorus (P) atom, and 4 oxygen (O) atoms.
   1.4 Ion structure: in solution, Li₂HPO₄ can dissociate into Li+, H+ and PO₄^3- ions.

2. Properties of Li₂HPO₄
   2.1 Physical properties of Li₂HPO₄: Li₂HPO₄ is a powdery solid substance, colorless, odorless, with a neutral pH.
   2.2 Chemical properties of Li₂HPO₄: Li₂HPO₄ can react with strong acid to form lithium salt and water.

3. Common Chemical equations of Li₂HPO₄:

   • Li₂HPO₄ + 2HCl -> 2LiCl + H₃PO₄

4. Synthesis of Li₂HPO₄

4.1 Laboratory synthesis of Li₂HPO₄: Li₂HPO₄ can be synthesized through the reaction between lithium hydroxide and phosphoric acid.

• 2LiOH + H₃PO₄ -> Li₂HPO₄ + 2H₂O

4.2 Industrial synthesis of Li₂HPO₄: In industry, Li₂HPO₄ is usually produced by a similar method as in the laboratory synthesis, but on a larger scale.