In a solution, when the concentrations of a weak acid and its conjugate base are equal,
A) the system is not at equilibrium.
B) the buffering capacity is significantly decreased.
C) the -log of the [H+] and the -log of the Ka are equal.
D) all of the above are true.
Correct Answer:
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Q1: Of the following solutions, which has the
Q5: The addition of hydrofluoric acid and _
Q6: The addition of hydrochloric acid and _
Q6: The Henderson-Hasselbalch equation is _.
A)[H+] = Ka
Q6: Which one of the following pairs cannot
Q13: The addition of hydrofluoric acid and _
Q14: Which of the following could be added
Q15: What change will be caused by addition
Q18: Which one of the following pairs cannot
Q20: A solution containing which one of the
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