Equilibrium is established for the reaction 2x(s) y(g) 2z(g) at 500k, kc = 100. determine the concentration of z in equilibrium with 0.2 mol x and 0.50 m y at 500k.
A 3.2 M
B 3.5 M
C 4.5 M
D 7.1 M
E None of these