For the reaction 2NOCl(g)  = 2NO(g)
+ Cl2(g), Kc = 8.0 at a certain temperature.



What concentration of NOCl must be put into an empty 4.00 L reaction vessel in
order that the equilibrium concentration of NOCl be 1.00 M? 





A.     1.26 M                                B.         2.25 M

C.     2.50 M                                D.        3.52 M

E.     11.0 M