The Acidity Constant,K_a,differs from the Equilibrium Constant,K_eq,for the Dissociation of the Same

question 55

Multiple Choice

The acidity constant,K_a,differs from the equilibrium constant,K_eq,for the dissociation of the same acid in water at the same temperature and concentration in what way?

• A)K_a can be determined experimentally with less accuracy than K_eq.
• B)The two terms are identical numerically.
• C)K_a is used for strong acids only; K_eq for weak acids.
• D)K_a is the reciprocal of K_eq.
• E)K_eq = K_a/[H₂O].

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