| 1. | Safety |
| 2. |
Objectives/Overview |
| 3. |
Procedures |
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4. |
Observations |
| 5. | |
| 6. | |
| 7. | |
| 8. | Conclusions |
| 9. | Calculations/Set-Ups |
| 10. | Grading Scale |
| 11. | Review Prelab Questions |
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12. |
Review Postlab Questions |
Experiment
18
Exploring Buffers: The Ionization Constant of an Unknown Acid
CALCULATIONS/SET-UPS
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Molarity of diluted salt, [X-]2 = |
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Molarity of diluted acid, [HX]2 = |
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Salt/Acid concentration ratio = |
Molarity of dilute salt / molarity of diluted acid = |
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Log10 of Salt/Acid concentration ratio = |
Log  |
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pKa = |
pH at which Log [X-]2 /[HX]2= 0.00 (read from your graph) |
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Acid dissociation constant, Ka = |
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