What Is the PH of a Buffer System Prepared by Dissolving

question 7

Multiple Choice

What is the pH of a buffer system prepared by dissolving 10.70 grams of NH₄Cl and 25.00 mL of
12 M NH₃ in enough water to make 1.000 L of solution? K_b = 1.80 × 10^-5 for NH₃.

• A)9)08
• B)9)26
• C)9)43
• D)11.32

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