A certain buffer solution contains equal concentration of Xand HX. The Kb for X is 10–10. The pH of — Ionic Equilibrium Chemistry Question
Question
A certain buffer solution contains equal concentration of Xand HX. The Kb for X is 10–10. The pH of the buffer is
Answer: A
💡 Solution & Explanation
If b K for Xis 10 10 then a K for HX (Its conjugate acid) is 4 10. Thus, a X pH = pK log HX X pH = 4 log HX >> X HX Thus, pH = 4
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