Originally Posted By: Jackie
stoichiometry Eh? Whazzat, please?


Salman Khan explains it pretty well:
http://www.youtube.com/watch?v=SjQG3rKSZUQ

Remember back many years ago when you took HS Chemistry?

Way back when you took HS Chemistry, your teacher may have described a particular reaction to you and then asked you questions like, "When X and Y are combined to produce Z, how many grams of Y are required to produce a certain amount of Z?"