Mystery acid HX is a monoprotic weak acid: HX (aq)(aq) ⇌⇌ H++ (aq)(aq) + X−− (aq)(aq) When the pH is 6.59, the equilibri

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answerhappygod
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Mystery acid HX is a monoprotic weak acid: HX (aq)(aq) ⇌⇌ H++ (aq)(aq) + X−− (aq)(aq) When the pH is 6.59, the equilibri

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Mystery acid HX is a monoprotic weak acid:
HX (aq)(aq) ⇌⇌ H++ (aq)(aq) +
X−− (aq)(aq)
When the pH is 6.59, the equilibrium concentration of [HX] is 3
times larger than the equilibrium concentration of [X−−].
What is the pKaa of this acid?
Please be sure your answer includes (at least) two decimal
places.
pKa
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