Calculate $\Delta$ S for an Isothermal (95°C) Expansion of 2 Mol of Mol

Calculate $\Delta$ S for an isothermal (95°C) expansion of 2 mol of a monatomic ideal gas from 100.0 atm to 1.00 atm.

A) -38.3 J/K
B) 38.3 J/K
C) -76.6 J/K
D) 76.6 J/K
E) none