47 Boric acid formula H3BO3 48 Potassium Bromate formula KBrO3 49 Bromic acid formula HBrO3 50 Bromine formula Br 51 Butane formula C4H10 52 Butanoic acid formula C4H8O2 53 Calcium acetate formula C₄H₆CaO₄ 54 Calcium bromide formula CaBr2 55 Calcium carbonate formula CaCO3 56 Calcium ...