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What Is the PH of a Buffer System Prepared by Dissolving

Question 89

Multiple Choice

What is the pH of a buffer system prepared by dissolving 10.70 grams of NH4Cl and 35.00 mL of 12 M NH3 in enough water to make 1.000 L of solution? Kb = 1.80 × 10-5 for NH3.


A) 8.93
B) 9.26
C) 9.58
D) 11.32

Correct Answer:

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