Question

The equilibrium constant Kc for the reaction
H2(g)+I2(g)-><-2HI(g)

is 54.3 at 430 Celsius. At the start of the reaction, there are .714 mol of H2, ..984 mol of I2, and .886 mol of HI in a 2.40-L reaction chamber. Calculate the concentrations of the gases at Equilibrium.

Answer 1

plug your starting values into a RICE box (or ICE box if you prefer) and solve for the equilibrium concentrations using "X" for the change in concentration. Set that equal to K, and rearrange to solve for x