# What is Kb and Ka in chemistry?

##### 1 Answer

#### Explanation:

For acid dissociation:

For base hydrolysis:

As with any mathematical expression, they can be manipulated, and as water itself undergoes self protonolysis, we can write:

Of course, in water, at

And if we take logarithms to the base 10, and mulitply each side by

There is a lot of unsolicited info here so use it for reference. The defining equation for