A Buffer Contains 0

question 86

Multiple Choice

A buffer contains 0.50 mol NH₄⁺ and 0.50 mol NH₃ diluted with water to 1.0 L.How many moles of NaOH are required to increase the pH of the buffer to 10.00? (pK_a of NH₄⁺ = 9.25)

• A) 0.035 mol
• B) 0.15 mol
• C) 0.35 mol
• D) 0.41 mol
• E) 2.8 mol

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