A Certain Weak Base B Has a Base-Ionization Constant K_b

question 29

Multiple Choice

A certain weak base B has a base-ionization constant K_b of 5.9 × 10^-4 at 25°C.If strong acid is added to a solution of B,at what pH will [B] = [BH⁺]?

• A) 8.5
• B) 10.8
• C) 7.0
• D) 3.2
• E) 5.5

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Definitions:

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