Experiment 9Weak Acids and BuffersGRADING RUBRICStudent name: ______Emily Galo______________________________TA name: _________Weiran Wang_______________________Day & time of the lab: _______Wed/5pm_______________The overall lab report grade for this experiment will consist of the following:1.(9 pts)PRE-lab notebook pages1.1. Part of the Lab Pages, Demonstration, and Post-Lab Quiz (don’t need to include them in your report upload).2.(16 pts)IN-lab notebook pages & POST-lab quiz2.1. Part of the Lab Pages, Demonstration, and Post-Lab Quiz (don’t need to include them in your report upload).2.2. Experimental procedure2.3. Observations if any were noted.2.4. Post-Lab Assessment3.(75 pts)The WORKSHEET3.1. Tables with captions3.2. Figures of graphs with captions in the right positions3.3. Detailed calculations (may NOT be hand-written in the POST lab notebook pages; must be typed clearly into the worksheet with all relevant steps and units shown. 3.4. Complete (full sentence) answers to the discussion questions (DQ; may be listed by DQ#s)Complete the Pre-Lab Pages, Virtual In-Lab Demonstration, “In-Lab” Pages and the Post-Lab assessment in the Quiz section on Canvas (Titled Lab Pages, Demonstration, and Post-Lab Quiz) and then complete this worksheet and Submit the worksheet document online to Canvas.Feel free to adjust space in this document as needed. NOTE about the FILE SIZE for electronic submissions:If your final document is too large and upon upload to Canvas you get the message that “your file is too big to upload” you can resolve that, for example, by: reducing the resolution of your graphics, saving the document as a text (.docx) file instead of a .pdf file, etc. 1A. M. Bohnsack Spring 2020 (revised Z. B, P. S)
Worksheet & Grading Rubric – Weak Acids and BuffersPRE-LAB pages – 9 pts – point breakdown1.(2 pts)Purpose & Objectives2.(1 pts)List of compounds (reactants, reagents, solvents, etc. (with the correctconcentrations)3.(1 pts)List of equipment 4.(1 pts)Chemical and physical hazards5.(2 pts)Properly balanced chemical equations (2 sets)6.(2 pts)Experimental OUTLINEIN-LAB pages & Post-Lab Quiz – 16 pts – point breakdown1.(4 pts) In-Lab procedure and observations/notes2.(12 pts) Post-Lab Quiz WORKSHEET: RESULTS & DISCUSSION QUESTIONS – 75 pts●You MUST present all calculations in a typed form here using the equation functionin Word (10 pts)Include any/all relevant figures (titration curves and second derivative curves).Include appropriate captions.2A. M. Bohnsack Spring 2019 (revised Z. Baranová)
Worksheet & Grading Rubric – Weak Acids and BuffersFigure 1:Figure 1: Titration curve of acetic acid and NaOH in trial 1 for part A. Figure 2:Figure 2: Second derivative curve in trial 1 for part A3A. M. Bohnsack Spring 2019 (revised Z. Baranová)
Worksheet & Grading Rubric – Weak Acids and BuffersFigure 3:Figure 3: Titration Curve of Acetic Acid and NaOH in trial 2 for part A.