Briefly describe Ka. How does Ka relate to acid strength? Describe how you can use the pH of an aqueous acid solution and its initial concentration to determine the Ka.

Ka is also known as Acid dissociation constant. It is the equilibrium constant of the dissociation reaction of an acid and is denoted by Ka.

Explanation:

Ka is a measure of acid strength. A larger equilibrium constant means that the reaction has a greater tendency to drive towards the products side ( more H2O- and A- Less HA). Another way of saying this is that the acid has a stronger tendency to donate it's H+ which is the definition of a stronger acid.

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