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A 250-ML Sample of 1

Question 54

Multiple Choice

A 25.0-mL sample of 1.00 M NH3 is titrated with 0.15 M HCl. What is the pH of the solution after 15.00 mL of acid have been added to the ammonia solution? [Kb(NH3) = 1.8 × 10-5]


A) 10.26
B) 9.30
C) 9.21
D) 8.30
E) 8.21

Correct Answer:

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