Answer :
When pure NaA is added to the buffer, the buffer component ratio, and the pH increase with the added sodium salt.
State and explain the relative change in the pH and in the buffer-component concentration ratio, [NaA]/[HA] dissolve pure NaA in the buffer.
When pure NaA is added to the buffer, the buffer component ratio, and the pH increase with the added sodium salt. The added NaA increases the concentrations of NaA and HA. However, there is a greater relative increase in the concentration of NaA. Hence, the ratio of [NaA]/[HA] increases, causing the solution to become more basic. The capacity of a buffer to withstand pH change is measured. The concentration of the buffer's components namely, the acid and its conjugate base determine this ability. Greater buffer capacity is associated with higher buffer concentration.
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