Today we're going to look at a very simple concept but one that's confused very often. We're going to look at avocado's number and moles. Now, avogadjo's number, just like any other number, is simply a number but it's a very large number. More specifically, it's 6.022 times ten to 23. So it's a very, very big number. Now, avogatro number is usually used in relation with moles.