One lecture hour and five laboratory hours a week for one semester. Only one of the following may be counted: Chemistry 110K, 110L, 220C, 120K, 128K, 128L. Prerequisite: Credit with a grade of at least C- or registration for Chemistry 320N; and the following coursework with a grade of at least C- in each: Chemistry 204, 317, or 104M and 104N; and 320M or 328M.