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Aqueous solutions of $\mathrm{HNO}_3, \mathrm{KOH}$, $\mathrm{CH}_3 \mathrm{COOH}$, and $\mathrm{CH}_3 \mathrm{COONa}$ of identical concentrations are provided. The pair(s) of solutions which form a buffer upon mixing is(are)
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The correct answers are:
$\mathrm{HNO}_3$ and $\mathrm{CH}_3 \mathrm{COONa}$
,
$\mathrm{CH}_3 \mathrm{COOH}$ and $\mathrm{CH}_3 \mathrm{COONa}$
$\mathrm{HNO}_3$ and $\mathrm{CH}_3 \mathrm{COONa}$
,
$\mathrm{CH}_3 \mathrm{COOH}$ and $\mathrm{CH}_3 \mathrm{COONa}$
$\mathrm{HNO}_3$ and $\mathrm{CH}_3 \mathrm{COONa}$ can form buffer if the amount of $\mathrm{HNO}_3$ is limited. However concentrations are same but the amount can differ with manipulation of volume.
Ionic equilibrium
Conceptual
II
Ionic equilibrium
Conceptual
II
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