AP Notes TOPIC 4 AND 5 have been updated in the subscriber areas. Both sets of notes have been tidied up somewhat. In addition, TOPIC 4 has had a small re-write of the molality questions and a note has been added about the range of wavelengths that Beers law might be studied over. The TOPIC 5 notes have had a SMALL (not comprehensive) list of inorganic qualitative tests added.
AP Worksheets 5a, 5c and 5d have been updated.