What is the formula for zinc sulphate?

Zinc sulfate is the inorganic compound with the formula ZnSO4 as well as any of three hydrates. It was historically known as "white vitriol". All of the various forms are colorless solids. The heptahydrate is commonly encountered. read more

Technically, there are two answers, as Zn has two oxidation states: +1 and +2. However, the vast majority of zinc compounds that people will run into are +2. Sulfate is an anion (SO4) with a -2 charge. Zinc as a cation is usually +2. Therefore, the formula you’re probably looking for is ZnSO4. read more

Anhydrous zinc sulfate is a colorless crystalline solid. Zinc sulfate is also obtained as a hexahydrate, ZnSO4.6H2O, and as a heptahydrate ZnSO4.7H2O. All forms are soluble in water. All are noncombustible. The primary hazard is the threat posed to the environment. Immediate steps should be taken to limit its spread to the environment. read more

Zinc sulfate can be used to supplement zinc in the brewing process. Zinc is a necessary nutrient for optimal yeast health and performance, although it is not necessary for low-gravity beers as the grains commonly used in brewing already provide adequate zinc. read more