First slide
Acidic buffer
Question

An acidic buffer contains equal concentrations of acid and salt. The dissociation constant of acid is 10-5. The pH of the buffer solution is

Moderate
Solution

PH of an acidic buffer is given as,

\large {P^H} = {P^{{K_a}}} + \log \frac{{\left[ {salt} \right]}}{{\left[ {acid} \right]}}

PH = 5

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