Mrs. Raney's Chemistry Website

Chem I | Chem II AP

The Mole & Stoichiometry

"...the molecular weight of a substance, expressed in grams, shall henceforth be called mole [. . . das in Grammen augedruckte [. . .] Molekulargewicht eines Stoffes soll fortan ein Mol heissen]"
W. Ostwald

Online Resources:

Chem Team

Text-only notes written in an easily readable style. Make sure to check out the example problems.

WW Norton

Excellent video tutorials. These are Flash files, you may need to view them in Internet Explorer. I recommend playing them on mute so you can move at your own pace.

Brightstorm Chemistry

Detailed videos with worked example problems.