Celebrated annually on October 23 from 6:02 a.m. to 6:02 p.m., Mole Day commemorates "Avogadro's Number": 6.02 x 10 23. This number--called a mole--is a basic measuring unit in chemistry. Mole Day ...

Learn more about ACS moles below. Hey everyone! My name is Avogadro, but all my friends call me Avi. You may have seen my adventures with my friends in Celebrating Chemistry. When we are not exploring ...

You can imagine these properties of a substance in a triangle. You can reconfigure the triangle to calculate a substance’s mass, moles or M r.