Chemistry · 2013
NEET 2013 · 18 May · Code Y · Q147
The dissociation constant of a weak acid is 1 × 10^-4. In order to prepare a buffer solution with a pH =5, the [Salt]/[Acid] ratio should be:
The dissociation constant of a weak acid is $\displaystyle 1 \times 10^{-4}$. In order to prepare a buffer solution with a $\displaystyle \mathrm{pH}=5$, the [Salt]/[Acid] ratio should be :
Official answer
(4)
$\displaystyle 10: 1$
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