Podcast
Questions and Answers
What is the formula for pH?
What is the formula for pH?
- $pH = -log[OH^-]$
- $pH = log[OH^-]$
- $pH = log[H^+]$
- $pH = -log[H^+]$ (correct)
In neutral water at 25°C, what is the value of pH?
In neutral water at 25°C, what is the value of pH?
- 10
- 0
- 14
- 7.00 (correct)
What is the relationship between pH and pOH?
What is the relationship between pH and pOH?
- $pH imes pOH = 14$
- $pH - pOH = 14$
- $pH + pOH = 14$ (correct)
- $pH / pOH = 14$
What is the significance of using pH meters over indicators for measuring pH?
What is the significance of using pH meters over indicators for measuring pH?
What is the composition of a buffer?
What is the composition of a buffer?
What is the formula for the Ka expression?
What is the formula for the Ka expression?
What is the Henderson-Hasselbalch equation used for?
What is the Henderson-Hasselbalch equation used for?
What determines the buffer capacity?
What determines the buffer capacity?
What happens to the pH of a buffer when a small amount of OH- is added?
What happens to the pH of a buffer when a small amount of OH- is added?
What is the result of adding a strong acid to a buffer?
What is the result of adding a strong acid to a buffer?
What is the result of adding a strong base to a buffer?
What is the result of adding a strong base to a buffer?
What does the Henderson-Hasselbalch equation take into account?
What does the Henderson-Hasselbalch equation take into account?
What is the buffer capacity at its best when?
What is the buffer capacity at its best when?
What does the addition of a strong acid or base to a buffer result in?
What does the addition of a strong acid or base to a buffer result in?
What does the pOH measure?
What does the pOH measure?
What does the buffer solution resist?
What does the buffer solution resist?
