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Experiment 8 The Nature of Acids and Bases

Experiment 8 The Nature of Acids and Bases - SidneySherrill...

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The Nature of Acids and Bases—Strong Versus Weak Sidney Sherrill Robert Barrentine November 30, 2010 I certify this work is my own. Sidney Sherrill ______________________________
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Data Part A. Common Acids and Bases Product/Compound pH pOH [H ] [OH ] Remarks Lemon juice 2 12 1.00E+0 2 1.00E+1 2 Dark yellow Soda 5 9 1.00E+0 5 1.00E+0 9 Clear (color is only added) 1% baking soda 8 6 1.00E+0 8 1.00E+0 6 Clear Clear ammonia 11 3 1.00E+1 1 1.00E+0 3 Very pungent, clear Mouthwash 7 7 1.00E+0 7 1.00E+0 7 Light blue Shampoo 5 9 1.00E+0 5 1.00E+0 9 Clear (color added) Windex 9 5 1.00E+0 9 1.00E+0 5 Blue Tobacco 7 7 1.00E+0 7 1.00E+0 7 Brownish-orange Beer 5 9 1.00E+0 5 1.00E+0 9 Light yellow-orange Bleach 8 6 1.00E+0 8 1.00E+0 6 Clear Toilet bowl cleaner 1 13 1.00E+0 1 1.00E+1 3 Dark blue Part B. Acid/Base Strength 1. pH of Acid or Base as a Function of Dilution 0.1 M 0.01 M 0.001 M Acids pH [H O ] pH [H O ] pH [H O ] HCl 1.31 2.04E+01 2.54 3.47E+0 2 3.49 3.09E+03 Acetic acid 2.92 8.32E+02 3.59 3.89E+0 3 4.06 1.15E+04 Bases pOH [OH ] pOH [OH ] pOH [OH ] NaOH 1.01 1.02E+01 2.11 1.29E+0 2 7.26 1.82E+07 NH OH 3.05 1.12E+03 3.35 2.24E+0 3 7.18 1.51E+07 2. Percent Dissociation as a Function of Dilution Percent Dissociation 0.1 M 0.01 M 0.001 M Acetic 8.32E+05 3.89E+07 1.15E+09
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acid NH OH 1.12E+06 2.24E+07 1.51E+12 3. Identification of Solutions as Acidic or Basic Compound Formula pH Solution Acidic or Basic?
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