# What volume (in mL) of 9.91 M sodium chloride is required to produce 100.0 mL of a 0.398M solution?

##### 1 Answer

Oct 6, 2017

#### Explanation:

Recall that molarity and volume can be expressed in the following ratio:

So all you have to do is plug in your values:

Solve for

With significant figures, you get a final answer of