K2SO4, or potassium sulfate, is a chemical compound made up of two potassium (K) atoms, one sulfur (S) atom, and four oxygen (O) atoms. It is commonly used as a fertilizer in agriculture because it provides essential nutrients, particularly potassium and sulfur, which are vital for plant growth and development. In addition to its agricultural uses, K2SO4 is also utilized in various industrial applications, such as in the production of glass and as a drying agent in certain chemical processes. Its soluble nature allows it to easily dissolve in water, making it effective for use in liquid fertilizers and other solutions.