# How do I calculate the following quantity? Volume of 2.106 M copper (II) nitrate that must be diluted with water to prepare 670.2 mL of a 0.8351 M solution?

##### 1 Answer

#### Explanation:

We need

We have a

And thus we take the quotient,

You would usually never dilute solutions like this, so this question is not very practical and does not reflect standard lab practice. Ordinarily we would take

The important relationship was.....

i.e.