# How many liters of a 0.2 M NaOH solution are needed in order to have 1.0 moles of NaOH?

##### 1 Answer

#### Explanation:

Given that the typical units of

We want

this the product

So we need the quotient:

(i.e.

Note that we go to such trouble in including the units in these calculations as an extra check on our arithmetic. Sometimes you ask yourself should I divide or should I multiply. Dimensional analysis answers our question. We wanted an answer in