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

---

Definitions:

Specialized Knowledge

Expertise or skills in a specific area or field that are not commonly held or understood by the general public.

Crystallized Intelligence

The ability to use acquired knowledge and experience in problem-solving and adapting to new situations.

Practical Intelligence

A type of intelligence that involves the ability to solve everyday problems through adaptive or creative reasoning in real-world contexts.

Seattle Longitudinal Study

A research project that investigates cognitive abilities across the lifespan, starting from 1956.