Submit your on-line results after you are done, but before you leave today (together with your lab partner)7 Sept 2017 Experiment 2. Qualitative Analysis Download pre-lab presentation.
To prepare for lab, (1) see lab experiment (instructions you will follow - not in lab manual) and (2) watch the YouTube of the reaction you will perform and how to perform it:Some pictures from our first time trying this experiment:
12 Oct 2017 Experiment 7. Preparation of Solutions1. Watch the YouTube video on using the volumetric pipet (8 minutes long) See video now.
2. Watch the YouTube video on correct use of the Mohr pipet (less than 4 minutes long) before coming to lab! See video now.
3. Practice Reading Graduated Glassware download worksheet Check your work:
Answers. Problem 1: 12.77 mL; Problem 2: 6.56 mL; Problem 3: 28.9 mL; Problem 4: 22.59 mL; Problem 5: 20.64 mL; Problem 6: 47.33 mL; Problem 7: 4.55 mL; Problem 8: 7.33 mL; Problem 9: 9.02 mL; Problem 10: 9.96 mL; Problem 11: 3.50 mL; Problem 12: 2.85 mL
Before lab: You can download to your laptop a free copy of LoggerPro which we will use twice this semester and extensively next semester. Download for Mac OS X 10.12, 10.11, 10.10 or Windows 10, 8.1, and 7 Computers with older operating systems: see me.16 Nov 2017 Experiment 11. Hess's Law