At 25°C, Kc for the following reaction is 4.66 × 10−3. If 0.800 mol of N2O4 is injected into a closed 1.00-liter glass container at 25°C, what will be the equilibrium concentration of N2O4?
N2O4(g) 2NO2(g)
a. 0.016 M
b. 0.770 M
c. 0.088 M
d. 0.236 M
e. 0.667 M
Answer: b. 0.770 M