Consider the Following Reaction

Multiple Choice

Consider the following reaction:
2AgCl(s) → 2Ag(s) + Cl₂(g) ; ΔH° = 127.1 kJ; ΔS° = 115.7 J/K at 298 K
Suppose 61.4 g of silver(I) chloride is placed in a 50.0 L vessel at 298 K.What is the equilibrium partial pressure of chlorine gas? (R = 0.0821 L ∙ atm/(K ∙ mol) = 8.31 J/(K ∙ mol) )

A) 0.100 atm
B) 5.1 × 10^-23 atm
C) 0.950 atm
D) 0.210 atm
E) 5.7 × 10^-17 atm