HI decomposes to H2 and I2 by the following equation:
2HI(g) → H2(g) + I2 (g);
Kc = 1.6 103 at 25°C
If 1.0 M HI is placed into a closed container and the reaction is allowed to reach equilibrium at 25°C, what is the equilibrium concentration of H2 (g)?
0.076 M
0.924 M
0.0017 M
0.038 M