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What Is the PH of a Buffer System Made by Dissolving

Question 5

Multiple Choice

What is the pH of a buffer system made by dissolving 10.70 grams of NH4Cl and 20.00 mL of 12.0 M NH3 in enough water to make 1.000 L of solution? Kb = 1.8 × 10-5 for NH3.


A) 9.18
B) 9.26
C) 9.34
D) 11.03

Correct Answer:

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