1. Inform you about time table of exam.
2. Inform you about new question papers.
3. New video tutorials information.
Empirical Formula for Molecular Formula
Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% dioxygen by mass.
Determine the molecular formula of an oxide of iron in which the mass percent of iron and oxygen are 69.9 and 30.1 respectively. Given that the molar mass of the oxide is 159.69 g mol–1.