The following 1.00 L buffer solutions are prepared from the monoprotic weak acid HA…
CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
The following 1.00 L buffer solutions are prepared from the monoprotic weak acid HA (pKa = 4.80) at 25 °C.
• Buffer A: 0.40 M HA and 0.60 M NaA
• Buffer B: 0.60 M HA and 0.40 M NaA
• Buffer C: 0.20 M HA and 0.20 M NaA
Give two separate rankings (greatest → least) of the buffers’ capacity: (i) to neutralize added HCl and (ii) to neutralize added NaOH. Write each ranking using the letter designations separated by “>”.