What happens to the value of beta_4 at high pH during titration?
Understand the Problem
The question is inquiring about the behavior of the value of beta_4 during a titration process as the pH becomes higher. It seems to involve understanding the chemical principles related to buffering and pH changes.
Answer
Beta_4 decreases at high pH due to changes in equilibrium species concentrations.
At high pH during a titration, the value of beta_4, which represents a stability constant for a specific species in equilibrium, will decrease due to deprotonation or changes in species concentrations.
Answer for screen readers
At high pH during a titration, the value of beta_4, which represents a stability constant for a specific species in equilibrium, will decrease due to deprotonation or changes in species concentrations.
More Information
During titration, especially in a high pH environment, deprotonation of acids leads to changes in equilibrium constants like beta_4. This number decreases as the solution becomes more basic because the equilibrium target species shift.
Tips
Confusing the effect of increasing or decreasing pH on equilibrium constants, assuming they remain unchanged regardless of pH.
Sources
- Weak acid–strong base titrations (video) - Khan Academy - khanacademy.org
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