Solution:
A buffer solution resists the significant change in pH when a strong acid or base is added. The buffering capacity of an acidic buffer lying between pka +1 and pka -1. Beyond these values the buffering capacity of a buffer is considerd to be destroyed.
The pH of a buffer is calculated as,.
pH = pka + log [Conjugate base / Acid]
Hence,
For pH = pka +1
The concentration of conjugate base must be ten times of acid.
For pH = pka -1
The concentration of acid must be ten times of conjugate base.
please answer number 5 and 6 5. The buffer range for a given weak acid/conjugate base pair is pK, 11. Explain why. 6...
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