# How many milliliters of 0.250 M KoH will be needed to titrate 12.53 mL of 0.130 M #HNO_3#?

##### 2 Answers

#### Answer:

You will need 6.516 mL of KOH to reach the equivalence point.

#### Explanation:

Since KOH has only one

Moles

And since moles (of solute) = concentration x volume, we can write

(the

We know the first three quantities in this equation. We find the fourth (

or

#### Answer:

Approx.

#### Explanation:

We need (i) a stoichiometric equation........

And then (ii) equivalent quantities of potassium hydroxide and nitric acid:

And thus we need