Answer:
= 2 x 10 ²⁴ sulfur atoms in the compound.
Explanation:
There are 3.6 X 10^20 atoms of iron in the compound
Divide the number of iron atoms by 1.8 X 10^-4 to find the number of sulfur atoms in the compound.
therefore,
= 3.6 X 10²⁰
1.8 X 10⁻⁴
= 2 x 10 ²⁴ sulfur atoms in the compound.