If 25.0 mL of 0.10 M NH3 (Kb = 1.8 x 10-5) is used to titrate 0.038 L of 0.30 M HCI, the pH is: Your Answer: Answer

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Problem Statement:**

If 25.0 mL of 0.10 M NH₃ (K_b = 1.8 x 10⁻⁵) is used to titrate 0.038 L of 0.30 M HCl, calculate the pH.

**Your Answer:**

[Input Box]

**Answer Button**

**Explanation:**

In this problem, we are asked to find the pH after a titration has been performed. The substances involved are NH₃ (ammonia) with a given base dissociation constant (K_b) and HCl (hydrochloric acid).

- **Volume and concentration of NH₃:** 25.0 mL (0.025 L) of 0.10 M
- **Volume and concentration of HCl:** 0.038 L of 0.30 M
- **K_b for NH₃:** \(1.8 \times 10^{-5}\)

The task involves calculating the pH after the titration is complete. This involves stoichiometric calculations and potentially using the Henderson-Hasselbalch equation.

Students should input their calculated pH value in the input box provided and press the answer button to check their work.

The prompt allows for a hands-on learning approach for calculating the pH during a titration process.
Transcribed Image Text:**Problem Statement:** If 25.0 mL of 0.10 M NH₃ (K_b = 1.8 x 10⁻⁵) is used to titrate 0.038 L of 0.30 M HCl, calculate the pH. **Your Answer:** [Input Box] **Answer Button** **Explanation:** In this problem, we are asked to find the pH after a titration has been performed. The substances involved are NH₃ (ammonia) with a given base dissociation constant (K_b) and HCl (hydrochloric acid). - **Volume and concentration of NH₃:** 25.0 mL (0.025 L) of 0.10 M - **Volume and concentration of HCl:** 0.038 L of 0.30 M - **K_b for NH₃:** \(1.8 \times 10^{-5}\) The task involves calculating the pH after the titration is complete. This involves stoichiometric calculations and potentially using the Henderson-Hasselbalch equation. Students should input their calculated pH value in the input box provided and press the answer button to check their work. The prompt allows for a hands-on learning approach for calculating the pH during a titration process.
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