8 A compound made of two elements, Iridium( Ir, MM =192.2 g/mol) and oxygen (O, MM=16.00 g/mol), was produced in a lab by heating iridium while exposing to air. The following data was collected: Mass of empty crucible= 38.26 g Mass of crucible and iridium =39.52 g Mass of crucible and iridium oxide =39.84 g Determine the empirical of this compound. (2 Points) Ir04 Iro3 Iro2 Iro