biochemistry lab1

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Experiment 1 0 7.8 0.1 11.36 0.2 11.72 0.3 11.9 0.4 12.03 Experiment 2 0 2.84 0.4 3.7 0.8 4.03 1.2 4.26 1.6 4.44 2 4.61 2.4 4.77 2.8 4.94 2.9 4.99 3 5.04 3.1 5.1 3.2 5.15 3.3 5.21 3.4 5.27 3.5 5.34 3.6 5.43 3.7 5.51 3.8 5.62 3.9 5.75 4 5.92 4.1 6.2 4.2 6.8 4.3 10.55 Experiment 3 0 2 0.4 2.01 0.8 2.04 1.2 2.1 1.6 2.19 2 2.3 2.4 2.41 2.8 2.55 3.2 2.7 3.6 2.83 4 3.06 0 0.05 0.1 0.15 0.2 0.25 0 2 4 6 8 10 12 14 pH of Solution vs. Volume of 0.500M KOH Volume of KOH added (mL pH 0 0.5 1 1.5 2 0 2 4 6 8 10 12 pH of Solution vs. Volume of 0.500M KOH Volume of KOH pH 4 6 8 10 12 14 pH of Solution vs. Volume of 0.500M K pH

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Page 1: Biochemistry LAB1

Experiment 10 7.8

0.1 11.360.2 11.720.3 11.90.4 12.03

Experiment 20 2.84

0.4 3.70.8 4.031.2 4.261.6 4.44

2 4.612.4 4.772.8 4.942.9 4.99

3 5.043.1 5.13.2 5.153.3 5.213.4 5.273.5 5.343.6 5.433.7 5.513.8 5.623.9 5.75

4 5.924.1 6.24.2 6.84.3 10.55

Experiment 30 2

0.4 2.010.8 2.041.2 2.11.6 2.19

2 2.32.4 2.412.8 2.553.2 2.73.6 2.83

4 3.06

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.40

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of dH2O

Volume of KOH added (mL)

pH

0 0.5 1 1.5 2 2.5 3 3.5 4 4.50

2

4

6

8

10

12

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Acetic Acid

Volume of KOH added (mL)

pH

0 2 4 6 8 10 12 140

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Unknown Amino Acid

Volume of KOH added (mL)

pH

Page 2: Biochemistry LAB1

4.4 3.194.8 3.365.2 3.55.6 3.65

6 3.816.4 3.966.8 4.157.2 4.377.6 4.69

8 5.798.4 8.638.8 9.059.2 9.289.6 9.510 9.67

10.4 9.8210.8 9.9811.2 10.1611.6 10.36

12 10.6312.4 11.0212.8 11.5713.2 11.9313.6 12.12

KOH Volume (mL) pH Observed [HA] [A-] pK' calculated0.4 3.7 0.088235 0.009804 4.6542430.8 4.03 0.076923 0.019231 4.632061.2 4.26 0.066038 0.028302 4.6279771.6 4.44 0.055556 0.037037 4.616091

2 4.61 0.045455 0.045455 4.612.4 4.77 0.035714 0.053571 4.5939092.8 4.94 0.026316 0.061404 4.5720233.2 5.15 0.017241 0.068966 4.547943.6 5.43 0.008475 0.076271 4.475757

4.5922220.054237

0 2 4 6 8 10 12 140

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Unknown Amino Acid

Volume of KOH added (mL)

pH

Page 3: Biochemistry LAB1

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.40

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of dH2O

Volume of KOH added (mL)

pH

0 0.5 1 1.5 2 2.5 3 3.5 4 4.50

2

4

6

8

10

12

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Acetic Acid

Volume of KOH added (mL)

pH

0 2 4 6 8 10 12 140

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Unknown Amino Acid

Volume of KOH added (mL)

pH

Page 4: Biochemistry LAB1

0 2 4 6 8 10 12 140

2

4

6

8

10

12

14

pH of Solution vs. Volume of 0.500M KOH added to 20mL of 0.100M Unknown Amino Acid

Volume of KOH added (mL)

pH