Welcome to your second semester in Chemistry undergraduate programme! This course will emphasize its laboratory component to reflect the importance of your training in laboratory skills. Keep in mind as you work your way through this manual the specific purposes in each exercise. They will prepare you for your first job in a Chemistry laboratory, so keep a careful record of your experience. If you carefully document and archive your work, this information will be easy for you to access later and your experiences will be more valuable in your later work.