Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumpH of Strong and Weak Acids and BasesMedium2 minQB

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The ratio of dissociation constants of two weak acids HA and HB is 4. At what molar concentration ratio, the two acids will have same pH ?

Answer:

Solution:

$[H^{+}] = K_{a} C$ ×

$K_{1} \times C_{1} = K_{2} \times C_{2}$

$\frac{C _{1}}{C _{2}} = \frac{K _{2}}{K _{1}} = \frac{1}{4}$

$\frac{C _{1}}{C _{2}} = \frac{1}{4} = 0.25$

Stream:JEESubject:ChemistryTopic:Ionic EquilibriumSubtopic:pH of Strong and Weak Acids and Bases

⏱ 2mℹ️ Source: QB

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