Week 7- What is a Mole?

What is a mole is somewhat complicated..this article mentioned it was just something to confuse future generations! Basically because molecules and atoms are so small, the number gets too big when talking about how many grams there are. The standard is based on the carbon-12 isotope. So, the standard of a mole is used, as it is NA x (mass of carbon-12 atom)= 12 g.