Question

Find the empirical formula of a compound containing Fe, S and $O$ in mass retio $7.6: 12$.

(A) $\mathrm{FeSO}_{4}$

(B) $\mathrm{Fe}_{2} \mathrm{S}_{2} \mathrm{O}_{3}$

(C) $\mathrm{Fe}_{2} \mathrm{S}_{2} \mathrm{O}_{7}$

(D) $\mathrm{Fe}_{2} \mathrm{S}_{3} \mathrm{O}_{12}$

Answer 1

The empirical formula of that compound will be Fe₂S₃O₁₂. So, The correct option is (D).

Solution —