For the Dissociation of a Very Weak Acid, HA, in Water

question 45

Multiple Choice

For the dissociation of a very weak acid, HA, in water

• A) K_a = [HA] [H₃O⁺] [A^-]
• B) K_a = [H₃O⁺] [A^-]
• C) K_a = [H₃O⁺] [A^-] / [H₂O]
• D) K_a = [HA] / [A^-] [H₃O⁺]
• E) K_a = [H₃O⁺] [A^-] / [HA]

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