Multiple ChoiceWhich of the following compounds has the same empirical formula as its molecular formula?
Multiple ChoiceA compound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by mass. What is the empirical formula ratio of carbon to hydrogen to oxygen in this compound?
Multiple ChoiceHow many atoms of calcium, phosphorus, and oxygen are present in one formula unit of Ca3(PO4)2?