1. Lab Notes for Week 3 (density) Exp 2 report form (my two-page gray form) is due by end of the day today) –Do nothing from the lab manual! Tuesday’s lab –Read Salmon handout and Exp 1 (Intro + B and C procedures only) in lab manual –Look at report form if you like (yellow sheets) –Prelab is the green page (attached to the report form right now) Copyright © Houghton Mifflin Company. All rights reserved.2–12–1

2. Tuesday’s lab, cont. N/A in S14 Manual: determine the density of a liquid (one time) and a solid (one time) I’ve expanded the liquid part of the experiment, Part B. See salmon handout: –Determine the density of 2-propanol (twice) –Determine the density of an unknown liquid (twice) –Compare your data with sister group –Helps with accuracy, precision concepts Copyright © Houghton Mifflin Company. All rights reserved.2–22–2

3. (cont.) N/A in S14 NOTE: Prelab (green sheet) refers only to Part B (liquid), expanded –Even though you will be doing Part C (solid, one time) during the lab –Use Example on p.4 of salmon handout to help with Q2 on prelab. Copyright © Houghton Mifflin Company. All rights reserved.2–32–3