Question:

A 1.45-g sample of phosphorus burns in air and forms 2.57 g

Last updated: 8/5/2022

A 1.45-g sample of phosphorus burns in air and forms 2.57 g

A 1.45-g sample of phosphorus burns in air and forms 2.57 g of a phosphorus oxide. Calculate the empirical for- mula of the oxide. (Hint: Determine the mass of oxygen in the 2.57 g of phosphorus oxide by determining the differ- ence in mass before and after the phosphorus burns in air.)