Chemistry Teachers - YOU NEED THIS

I thought it was nifty when I used it in preparing a lab, but I fell in love with it when I had to grade a 5-page worksheet of moles and molarity problems. Yes, the shortcuts could be better, but the amount of time I saved looking up the same osmium fluoride question over and over... and the polyatomic ions! What a lifesaver!

tenshirei about ChemTrix Chemistry Calculator