One Mole of HI Is Placed in a 5

One mole of HI is placed in a 5.00 L container at 458 C. If K c = 2.06 10 - 2 at the reaction temperature, what is the equilibrium concentration of I₂ (g) ?
2 HI (g) H₂ (g) + I₂ (g)

A) 0.112 M
B) 9.33×10 ^{- 2} M
C) 2.06×10 ^{- 2} M
D) 2.33×10 ^{- 2} M
E) 0.467 M