Intro to Chemistry News
The MOLE concept (chapter 10)
Well no, not that kind of mole . . . a chemical mole is a unit of measure, just like a gram or an ounce. It is used internationally so that all chemists speak the same measurement language. The mole was invented because, well, it made sense. Scientists were having a hard time converting between atoms of an element and grams of an element (grams were the previous standard of measure), so scientists came up with a "mole" of substance, which is defined as anything that has 6.02x1023 particles in it.