What is Na3AsO4? Important knowledge about Na3AsO4.

1. Definition of Na₃AsO₄:

1.1. Names:
1.1.1 Common name: Sodium arsenate
1.1.2 English name: Sodium arsenate
1.2. Atomic structure: Na₃AsO₄ includes 3 atoms of Na (Sodium), 1 atom of As (Arsenic), and 4 atoms of O (Oxygen).
1.3. Atomic weight:
1.3.1 Molecular structure: With a molecular weight of 207.888 g/mol
1.4. Ion structure: Sodium arsenate is a salt form of arsenic acid. In solution, it dissociates into sodium ion (Na+) and arsenate ion (AsO₄^3-).

2. Properties of Na₃AsO₄:
   2.1. Physical properties of Na₃AsO₄:

   • State: solid
   • Color: white or colorless
   • Odor: no special odor
   • pH: neutral
     2.2. Chemical properties of Na₃AsO₄: Sodium arsenate can react with other substances to form new ones. It can also be decomposed by high temperatures.

3. Common chemical equations of Na₃AsO₄:
   As Na₃AsO₄ is a toxic, hazardous, unsafe substance, it is not used in regular chemical reactions at school.

4. Synthesis of Na₃AsO₄:
   4.1. Laboratory synthesis of Na₃AsO₄: As it is a toxic substance, it is not synthesized in the school laboratory.
   4.2. Industrial synthesis of Na₃AsO₄: Sodium arsenate is usually produced from the reaction of sodium hydroxide (NaOH) with arsenic acid (H₃AsO₄) in the industrial environment.