* Avogadro's Number: One mole of any substance contains 6.022 x 10^23 particles (atoms, molecules, etc.). This is known as Avogadro's number.

* Sulfur's Formula: Sulfur exists as S8 molecules (eight sulfur atoms bonded together).

Calculation:

1. Atoms per mole: Since each mole of sulfur contains 6.022 x 10^23 S8 molecules, and each S8 molecule has 8 sulfur atoms, there are (6.022 x 10^23 molecules/mol) * (8 atoms/molecule) = 4.818 x 10^24 atoms/mol of sulfur.

2. Total atoms: In 2 moles of sulfur, there would be (4.818 x 10^24 atoms/mol) * (2 mol) = 9.636 x 10^24 atoms of sulfur.

Therefore, there are 9.636 x 10^24 atoms of sulfur in 2 moles of sulfur.