# Seawater has a pH of 8.100. What is the concentration of OH–?

##### 2 Answers

#### Explanation:

If the

At 25 degrees celcius,

Where

From this, we can convert

Then we know that:

So to rearrange the equation to solve for

Hence:

#### Explanation:

Well, the

The

#[OH^-]# is the hydroxide ion concentration in terms of molarity.

And so, we got: