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Question:
A compound made of two elements, iridium (Ir) and oxygen (O), was produced in a lab by heating iridium while exposed to air. The following data was collected: Mass of crucible: 38.26 g Mass of crucible and iridium: 39.52 g Mass of crucible and iridium oxide: 39.73 g Determine the empirical formula of the compound. Show and explain all your calculations fully.