A reaction begins with 0.600 mole of A and 0.200 mole of B in a 2.00-L container at a certain temperature. What will be the equilibrium concentration of C?
A(g) + B(g) C(g) Kc = 23.5
a. 0.0684 M
b. 0.0200 M
c. 0.044 M
d. 0.0836 M
e. 0.105 M
Answer: d. 0.0836 M