2. Identify each of the following solutions, as acidic, basic, or neutral: (And only for the ones with "explain", briefly explain your choice) a HC;H;O: (aq) b. A solution with [H3O'] = [OH] Еxplain: C. A substance with a pH of 4.5 at 25°C Explain: d. A covalent compound that ionizes with water and accepts an H* from the water.
2. Identify each of the following solutions, as acidic, basic, or neutral: (And only for the ones with "explain", briefly explain your choice) a HC;H;O: (aq) b. A solution with [H3O'] = [OH] Еxplain: C. A substance with a pH of 4.5 at 25°C Explain: d. A covalent compound that ionizes with water and accepts an H* from the water.
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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please show work for question #2
![**Section: Objective #12:** Students can distinguish between strong and weak acids and bases in terms of definitions and properties, and perform basic acid-base reactions with the stoichiometry.
1. **Explain how KCl, HBr, HCN, and C₂H₅₂O₁₁ behave differently at the particle level when they are dissolved in water.** You can draw pictures or write reactions if it helps your explanation.
---
2. **Identify each of the following solutions, as acidic, basic, or neutral:** (And only for the ones with "explain", briefly explain your choice)
a. \( \text{H}_3\text{C}_6\text{O}_7 (\text{aq}) \)
**______________________**
b. A solution with [H₃O⁺] = [OH⁻]
**______________________**
c. A substance with a pH of 4.5 at 25°C
**______________________**
**Explain:**
d. A covalent compound that ionizes with water and accepts an H⁺ from the water.
**______________________**
---
3. **In the following reactions, identify the conjugate acid-base pairs.**
\( \text{C}_2\text{H}_3\text{O}_2^- + \text{H}_2\text{O} \leftrightarrow \text{HC}_2\text{H}_3\text{O}_2 + \text{OH}^- \)
\( \text{HClO}_4 + \text{H}_2\text{O} \leftrightarrow \text{H}_3\text{O}^+ + \text{ClO}_4^- \)
---
4. **What is the molarity of a NaOH solution if 28.2 mL of a 0.355 M H₂SO₄ solution is required to neutralize a 25.0-mL sample of the NaOH solution?**
\( 2\text{NaOH (aq)} + \text{H}_2\text{SO}_4 (\text{aq}) \rightarrow \text{Na}_2\text{SO}_4 (\text{aq}) + 2\text{H}_2\text{O (l)} \)
---
5](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1f2fc927-9fa0-46e3-98ea-45819a76f1ba%2F1aa2fb20-89ad-492d-957e-55aaca6f1c24%2F3kjcrj_processed.png&w=3840&q=75)
Transcribed Image Text:**Section: Objective #12:** Students can distinguish between strong and weak acids and bases in terms of definitions and properties, and perform basic acid-base reactions with the stoichiometry.
1. **Explain how KCl, HBr, HCN, and C₂H₅₂O₁₁ behave differently at the particle level when they are dissolved in water.** You can draw pictures or write reactions if it helps your explanation.
---
2. **Identify each of the following solutions, as acidic, basic, or neutral:** (And only for the ones with "explain", briefly explain your choice)
a. \( \text{H}_3\text{C}_6\text{O}_7 (\text{aq}) \)
**______________________**
b. A solution with [H₃O⁺] = [OH⁻]
**______________________**
c. A substance with a pH of 4.5 at 25°C
**______________________**
**Explain:**
d. A covalent compound that ionizes with water and accepts an H⁺ from the water.
**______________________**
---
3. **In the following reactions, identify the conjugate acid-base pairs.**
\( \text{C}_2\text{H}_3\text{O}_2^- + \text{H}_2\text{O} \leftrightarrow \text{HC}_2\text{H}_3\text{O}_2 + \text{OH}^- \)
\( \text{HClO}_4 + \text{H}_2\text{O} \leftrightarrow \text{H}_3\text{O}^+ + \text{ClO}_4^- \)
---
4. **What is the molarity of a NaOH solution if 28.2 mL of a 0.355 M H₂SO₄ solution is required to neutralize a 25.0-mL sample of the NaOH solution?**
\( 2\text{NaOH (aq)} + \text{H}_2\text{SO}_4 (\text{aq}) \rightarrow \text{Na}_2\text{SO}_4 (\text{aq}) + 2\text{H}_2\text{O (l)} \)
---
5
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