Question

Consider the reaction. mc032-1.jpg At equilibrium, the concentrations of the different species are as follows. [H2O] = 0.077 M [Cl2O] = 0.077 M [HClO] = 0.023 M What is the equilibrium constant for the reaction at this temperature?

Answer 1

I just took the test and the answer is 0.089 (A)

Answer 2

The equilibrium constant is a value which represents the equilibrium of a reaction. It is a reaction quotient when the reaction reached equilibrium. If Keq is greater than 1, the mixture contains mostly the products. On the other hand, if Keq is less than 1, the mixture contains the reactants. It is calculated as follows: 2HClO = H2O + Cl2O

Keq = [H2O] x [Cl2O] / [HClO]^2
Keq = 0.077 x 0.077 / 0.023
Keq = 0.258