🤓 Based on our data, we think this question is relevant for Professor Kobko-Litskevitch's class at HUNTER.

Solution: At a certain temperature, the equilibrium constant K c for this reaction is 53.3.H2 + I 2 → 2 HIAt this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in 1.00L container to react. What concentration of HI is present at equilibrium?

Problem

At a certain temperature, the equilibrium constant K c for this reaction is 53.3.

H2 + I 2 → 2 HI

At this temperature, 0.800 mol of H2 and 0.800 mol of I2 were placed in 1.00L container to react. What concentration of HI is present at equilibrium?

Solution

We’re given the following equilibrium reaction:

H2 + I2(g)  2 HI; Kc = 53.3


We know that the initial amount of H2 and I2 is 0.800 mol. In a 1.00 L container, the concentration of each is:



From this, we can construct an ICE table:



The Kc expression for the reaction is:



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