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AP Chemistry/Unit 8: Acids and Bases
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Relationship Between Ka Kb and Kw

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Which equation correctly describes the relationship between the acid ionization constant, KaK_a, and the base ionization constant, KbK_b, for a conjugate acid-base pair?

A

Ka−Kb=KwK_a - K_b = K_w

B

Ka/Kb=KwK_a / K_b = K_w

C

Ka+Kb=KwK_a + K_b = K_w

D

Ka×Kb=KwK_a \times K_b = K_w

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