Problem: In a solution, when the concentrations of a weak acid and its conjugate base are equal, ________.a. the buffering capacity is significantly decreasedb. the -log of the [H+] and the -log of the Ka are equalc. All of these are true.d. the system is not at equilibrium

FREE Expert Solution

Recall the Henderson-Hasselbalch equation:

pH=pKa+logconjugate baseweak acid


If the concentration of the weak acid and conjugate base are equal:

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Problem Details

In a solution, when the concentrations of a weak acid and its conjugate base are equal, ________.

a. the buffering capacity is significantly decreased

b. the -log of the [H+] and the -log of the Ka are equal

c. All of these are true.

d. the system is not at equilibrium

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Buffer concept. You can view video lessons to learn Buffer. Or if you need more Buffer practice, you can also practice Buffer practice problems.

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