A Certain Acid, HA, Has a Ka Given By: HA

question 29

Multiple Choice

A certain acid, HA, has a Ka given by: HA + H₂O ⇌ H₃O⁺ + A- Ka = 6.80 × 10^-6
What is the pH of a 0.247 M solution of the acid's potassium salt, KA, which undergoes the hydrolysis reaction?
A- + H₂O ⇌ OH- + HA

• A) 4.72
• B) 9.28
• C) 4.11
• D) 9.89
• E) 9.44

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