It is a white crystalline solid. It dissolves in water easily. It does not dissolve in potassium hydroxide or concentrated ethanol. It can react with additional sulfuric acid to make potassium bisulfate.
Preparation
It is made by reacting potassium hydroxide and sulfuric acid. It can also be made by reacting potassium chloride with sulfuric acid. It can also be made by reacting sulfur dioxide, oxygen, and potassium chloride with some water.
Uses
Potassium sulphate is an important salt in everyday life. It is primarily used:
As a plant/cropfertilizer
In the synthesis of glass
As a component of gunpowder
For medicinal purposes
Occurrence
Arcanite is the mineral form of potassium sulfate.