For the following reaction, Kc is 144 at 200°C. If the reaction were initiated with 0.600 mol of A and 0.200 mol of B in a 2.00-liter container, what would be the equilibrium concentration of A?

For the following reaction, Kc is 144 at 200°C. If the reaction were initiated with 0.600 mol of A and 0.200 mol of B in a 2.00-liter container, what would be the equilibrium concentration of A?



A(g) + B(g) C(g) + D(g)

a. 0.684 M
b. 0.200 M
c. 0.444 M
d. 0.982 M
e. 1.05 M


Answer: b. 0.200 M


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