3. A sample of a salt has the percentage composition : Fe = 36.76: S =

1.	3. A sample of a salt has the percentage composition : Fe = 36.76: S = 21.11 and 0 = 42.14Calculate the empirical formula of the compound.
Answer» EXPLANATION: FE= 36.76/56= 0.65/0.65= 1 S= 21.11/32= 0.65/0.65=1 O= 42.14/16= 4.04= 4 empirical FORMULA= FESO4

3. A sample of a salt has the percentage composition : Fe = 36.76: S = 21.11 and 0 = 42.14Calculate the empirical formula of the compound.

Answer»

FE= 36.76/56= 0.65/0.65= 1

S= 21.11/32= 0.65/0.65=1

O= 42.14/16= 4.04= 4