Experiment 8 Report Sheet .pdf - CHEM 111 u2013 Fall 2020...

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CHEM 111 – Fall 2020 1 Experiment 8: An Introduction to Acids & Bases Read through the experimental procedure in Chemtrek and watch the associated experiment videos in Canvas. In the provided space, write a lab goal, summarize the procedure, record your observations, and complete all questions included in this report sheet. Upload the completed report sheet to Canvas by 11:59PM the day of your lab. Section A: Common Laboratory Acids and Bases Goal: Procedure: Thompson, S. PSU Chemtrek: Expt. 8 Introduction to Acids & Bases; Keiser, J., Hayden- McNeil Publishing. Plymouth, MI, 2020 pp 8-1 to 8-18. In your own words, describe some of what we know about common acids and bases: ( 3 points )
CHEM 111 – Fall 2020 2 Section B: Indicator Color Probes for Acids & Bases Question 1: In this section you used both a “synthetic” and a “natural” indicator. Which do you think a professional chemist would use? Give at least two reasons to explain your choice. ( 3 points ) ( 3 points ) Watch the demonstration video to observe the experiment. In the space below, summarize the experiment and your observations. Is the homemade pH paper reversible? Once the indicator has been switched from one color to another, can it be switched back?
CHEM 111 – Fall 2020 3

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