The compound with the formula As2O5 is known as Arsenic Pentoxide.
Arsenic Pentoxide is an inorganic compound consisting of arsenic and oxygen. In this compound, two arsenic atoms are bonded to five oxygen atoms. The ‘pent’ in ‘pentoxide’ indicates the presence of five oxygen atoms in the molecular formula. Arsenic Pentoxide is a white crystalline solid that is commonly used in various chemical applications, including as a reagent in organic synthesis and as a drying agent for some chemical processes.