Question

Equal mass of Fe2O3 and FeO has the mass of oxygen in the ratio

Answer 1

Hey!!

option c is correct
The ratio of mass of fe2o3 and feo has the mass of Ratio 0.37( approx)..

HOPE IT HELPS U.
THANKS.

Answer 2

Mass of $\mathrm{Fe}_{2} \mathrm{O}_{3}$  and FeO are equal, then the ratio of mass of oxygen is 1.356.

Answer: Option a

Explanation:

Atomic mass of the iron (Fe) is 56 g/mol

Atomic mass of oxygen (O) is 16 g/mol

Total atomic mass of $\mathrm{Fe}_{2} \mathrm{O}_{3} =160 g/mol$ and FeO =72  

Ratio of atomic mass difference is $\frac{\mathrm{Fe}_{2} \mathrm{O}_{3}}{\mathrm{FeO}}=\frac{160}{72}=2.12$

Atomic mass ratio of oxygen is $\frac{\mathrm{O}_{\mathrm{3}}}{\mathrm{c}}=\frac{48}{16}=3$

Ratio of mass of oxygen, if the mass of $\mathrm{Fe}_{2} \mathrm{O}_{3}=\mathrm{FeO} \text { is } \frac{\text { atomic mass ratio of free oxygen }}{\text { ratio of atomic difference }}=\frac{3}{2.1}=1.356$