Of the following solutions, which has the greatest buffering capacity?
A)0.821 M HF and 0.217 M NaF
B)0.821 M HF and 0.909 M NaF
C)0.100 M HF and 0.217 M NaF
D)0.121 M HF and 0.667 M NaF
E)They are all buffer solutions and would all have the same capacity.

Question

Quizplus · Accepted Answer

Buffering capacity is greatest when the concentrations of the weak acid and its conjugate base are high and nearly equal. Option B has the highest and most balanced concentrations of HF and NaF.

Of the Following Solutions, Which Has the Greatest Buffering Capacity