Podcast
Questions and Answers
What does the Henderson-Hasselbalch equation calculate?
What does the Henderson-Hasselbalch equation calculate?
- The ratio of hydronium to hydroxide ions
- The dissociation constant of a weak base
- The concentration of acid in a solution
- The pH of buffer solutions (correct)
In the context of buffer solutions, what does a buffer solution resist?
In the context of buffer solutions, what does a buffer solution resist?
- Changes in temperature
- Changes in volume
- Changes in pH (correct)
- Changes in color
What is the purpose of multiplying the equilibrium-constant expressions for ammonia and its conjugate acid?
What is the purpose of multiplying the equilibrium-constant expressions for ammonia and its conjugate acid?
- To calculate the base dissociation constant for the ammonium ion
- To determine the acid dissociation constant for ammonia
- To prepare a buffer solution (correct)
- To calculate the pH of a solution
Why do weak acids or bases undergo partial dissociation in water?
Why do weak acids or bases undergo partial dissociation in water?
What determines whether a solution containing a weak acid and its conjugate base is acidic, neutral, or basic?
What determines whether a solution containing a weak acid and its conjugate base is acidic, neutral, or basic?
Which equilibrium constant expression is used to calculate the pH of a buffer solution?
Which equilibrium constant expression is used to calculate the pH of a buffer solution?
What role does the conjugate base play in a buffer solution?
What role does the conjugate base play in a buffer solution?
'Generally, buffer solutions are prepared from a conjugate acid/base pair.' Why is this pairing important for buffers?
'Generally, buffer solutions are prepared from a conjugate acid/base pair.' Why is this pairing important for buffers?
'Dissociation Constants for Conjugate Acid-Base Pairs' involves which key concept?
'Dissociation Constants for Conjugate Acid-Base Pairs' involves which key concept?
