Chemistry 11-2-11 Moles, Mass & Molecules

CHEMISTRY: So how many water molecules are in that drop? Here’s the lecture from today on using molar mass as a conversion factor. You did a great job on the problems! Keep practicing them so you don’t forget!

By the way, were you ready for a quiz today? What about tomorrow? Don’t give up – keep working on memorizing polyatomic ions, acids, and the chemical names for those common substances you researched. Have you tried making a song?

flickr photo by ecstaticist