Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% oxygen by mass.

Determine the empirical formula of an oxide of iron which has 69.9% ir

1.	Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% oxygen by mass.
Answer» Solution : `:.` The EMPIRICAL FORMULA is `Fe_(2)O_(3)` .