Experiment 8 Report Sheet (1)-converted.pdf - CHEM 111...

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CHEM 111 Fall 2020 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. Section A: Common Laboratory Acids and Bases Complete before lab. Goal: To learn about different definition of acid and base, investigate the use of color indicators, to be familiar with the titration of acid and base, and to be able to calculate the concentration of an unknow solution through titration. 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. Complete before lab. In your own words, describe some of what we know about common acids and bases:
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CHEM 111 Fall 2020 Section B: Inodicator Color Probes for Acids & Bases Complete before lab. 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?
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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.

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