Zinc sulfate is an inorganic compound of zinc, sulfur, and oxygen. It is a colorless, crystalline solid that can exist in different hydrated forms, including zinc sulfate monohydrate (ZnSO₄ · H₂O) and zinc sulfate heptahydrate (ZnSO₄ · 7H₂O). The compound is highly soluble in water. Chemical Properties of Zinc Sulfate …