A 100.0 mL sample of 0.10 M NH₃ is titrated with 0.10 M HNO₃.Determine the pH of the solution after the addition of 150.0 mL of HNO₃.The K_b of NH₃ is 1.8 × 10^-5. A) 1.70 B) 6.44 C) 7.56 D) 12.30 E) 2.30

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Quizplus · Accepted Answer

The correct answer is A because the pH of the solution after the addition of 150.0 mL of HNO3 is 1.70. This is because the NH3 reacts with the HNO3 to form NH4+ and NO3-, and the H+ ions from the HNO3 lower the pH of the solution.

A 1000 ML Sample of 0