# Why is #"Avogadro's number"# used to count atoms and molecules?

##### 1 Answer

Mar 16, 2017

#### Answer:

Why is the

#### Explanation:

There should be many older answers that deal with these sorts of problems. Here is a start with some other links. The lesson that your teacher wants you to learn is that the mole is the link between the micro world of atoms and molecules, with the macro world of grams and litres.