CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Find the empirical formula of iron oxide which has 69.9% of Fe and 30% of oxygen by mass.

Open in App
Solution

Consider 100 gm of the oxide,
Mass of Fe=69.9gm
Moles of Fe=69.656=1.248
Mass of oxygen =30gm
Moles of oxygen =3016=2.5
Empirical formula =Fe1.298O2.5
=FeO2
[dividing by 1.298]

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Percentage Composition and Molecular Formula
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon