# What is the pH of a .043 M #HCl# solution?

##### 3 Answers

#### Answer:

Approximately

#### Explanation:

The

#[H^+]# is the hydrogen ion concentration in terms of molarity

The dissociation of

So, one mole of hydrochloric acid contains one mole of hydrogen ions. So here, there are

Therefore, its

#### Answer:

Well, I make it

#### Explanation:

By definition,

And we assume here, quite reasonably, that the strong acid

And so we take the logarithm of the initial