What Is the PH of an Aqueous Solution Composed of 0.64

question 39

Multiple Choice

What is the pH of an aqueous solution composed of 0.64 M NH₄⁺ and 0.20 M NH₃? (K_a of NH₄⁺ = 5.6 × 10^-10)

• A) 4.80
• B) 8.75
• C) 9.20
• D) 9.25
• E) 9.76

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