- Definition of K2SO4:
1.1 Names:
1.1.1 Common name: Potassium sulfate.
1.1.2 English name: Potassium sulfate.
1.2 Atomic structure: K2SO4 has 2 atoms of K (potassium), 1 atom of S (sulfur), and 4 atoms of O (oxygen).
1.3 Atomic weight: K2SO4 has a molar mass of 174.26 g/mol.
1.3.1 Molecular structure: K2SO4 has a molecular structure consisting of 2 K+ ions bonded to 1 SO42- ion.
1.4 Ion structure: K+ ion and SO42- ion. - Properties of K2SO4:
2.1 Physical properties of K2SO4:
State: Solid
Color: White
Odor: Odorless
pH: 7 (neither acidic nor alkaline)
2.2 Chemical properties of K2SO4: In chemistry, K2SO4 is known for its ability to form complexes with many other molecules. - Common chemical equations with K2SO4:
K2SO4 often participates in ion exchange reactions or water absorption. K2SO4 + BaCl2 -> 2KCl + BaSO4
(In this reaction, potassium sulfate reacts with barium chloride to form potassium chloride and precipitate barium sulfate.)K2SO4 + Ba(OH)2 -> 2KOH + BaSO4
(In this reaction, potassium sulfate reacts with barium hydroxide to form potassium hydroxide and precipitate barium sulfate.)K2SO4 + Ca(OH)2 -> 2KOH + CaSO4
(In this reaction, potassium sulfate reacts with calcium hydroxide to form potassium hydroxide and calcium sulfate.) - Preparation of K2SO4:
4.1 Laboratory preparation of K2SO4: K2SO4 can be prepared by neutralizing sulfuric acid (H2SO4) with potassium hydroxide (KOH).
4.2 Industrial preparation of K2SO4: In industry, K2SO4 is commonly produced by reacting potassium chloride (KCl) with sulfuric acid (H2SO4).