Experiment 4 Acid Strength

Experiment 4 Acid Strength - Matt Ditkoff Partner: Hannah...

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Matt Ditkoff Partner: Hannah Ayers TA: Sara Vadlamannati CHM 114 Section 5 Acid Strength 2/26/08
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Purpose of Experiment: The purpose of this experiment was to find the pH of common substances. We also wanted to find the pH of strong and weak acids and bases. We also wanted to find out the effects of a buffer solution. We did this by using indicator paper. Experimental Procedure: The first thing we did was take a sample of each house hold substances and put it in a well on our well plate. We used Pepsi, vinegar, glass cleaner, distilled water, dish soap, instant coffee, baking soda, antacid, aspirin, rock salt, and acetaminophen. For the hard samples like rock salt and antacid we crushed them up and added water to the well plate. Then we dipped a spatula into each well plate in turn and touched it to a piece of blue litmus paper and recorded the color change. Then we did this again with red litmus paper. Then we did it again with alkacid paper and compared the color to the chart on the side of the bottle. Then we cleaned out our well plates and put in samples of strong acids
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This lab report was uploaded on 04/09/2008 for the course CHM 114 taught by Professor Geldhart during the Spring '08 term at Rhode Island.

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Experiment 4 Acid Strength - Matt Ditkoff Partner: Hannah...

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