Other General Chemistry (Chemistry)
Chemistry on Wikipedia 
Chemistry (the etymology of the word has been much disputed[1]), sometimes abbreviated as "Chem", is the science of matter and the changes it undergoes. The science of matter is also addressed by physics, but while physics takes a more general and fundamental approach, chemistry is more...
Molar Mass and Molecular Weight Calculator 
This is a great little tool that can quickly add up the molar mass of any compound. Just enter in the empirical formula and it calculates everything for you. Much, much easier than consulting the periodic table and using a calculator!
