Which of the following is true?
A) The pH of a solution where the A − to HA ratio is 1 has a pH = pKa.
B) If the pH does not equal the pKa, the solution is not a buffer.
C) The best buffer for any experiment will always have a pH equal to the pKa.
D) If a buffer has more weak acid than conjugate base, the pH will be higher than the pKa.
Correct Answer:
Verified
Q67: Buffering capacity refers to
A) the effectiveness of
Q68: Exhibit 2B Contains information on the pK's
Q69: If the pH of 1 liter of
Q70: Exhibit 2B Contains information on the pK's
Q71: Exhibit 2B Contains information on the pK's
Q73: A buffer solution
A) is used to control
Q74: Using the Henderson-Hasselbalch equation, calculate the pH
Q75: If the pH of 1 liter of
Q76: The ratio of a weak acid and
Q77: Exhibit 2B Contains information on the pK's
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