http://www.ck12.org Chapter 12. Stoichiometry
formulations. This knowledge is required for any practical fields in which new chemical substances are created,
including pharmaceuticals, diagnostic medicine, agricultural chemistry, and even cosmetics.
U ser:Millenium 187 /Wikimedia Commons.commons.wikimedia.org/wiki/File:BrnoU nderground−_CabbageSquare−_Alchemical_kitchen_I.JPG.Public Domain.