A 1000 ML Sample of 0

question 151

Multiple Choice

A 100.0 mL sample of 0.10 mol L^-1 NH₃ is titrated with 0.10 mol L^-1 HNO₃. Determine the pH of the solution after the addition of 50.0 mL of HNO₃. The K_b of NH₃ is 1.8 × 10^-5.

• A) 4.74
• B) 7.78
• C) 7.05
• D) 9.26
• E) 10.34

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