English Vocabulary Flash Cards - Chemical Formulas @ englishpdf.com and englishteststore.com File 138 KCN potassium cyanide KC2H5O potassium ethoxide KCl potassium chloride KCl · MgCl2 · 6H2O carnallite KClO3 potassium chlorate KClO4 potassium perchlorate KF potassium fluoride KHCO3 potassium bicarbonate