The concentration of fluoride ion B3) Which one of the following pairs cannot be mixed together to form a buffer solution? A) NaF, HF C) NH3, NH4Cl (B) NaC₂H302, C2H3O2H (C₂H3O2- = aceta D) NaCl, HCI

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 3
**Exam Questions on Buffer Solutions and Reagents**

1. **Question 3:**
   Which one of the following pairs **cannot** be mixed together to form a buffer solution?
   - A) NaF, HF
   - B) NaC₂H₃O₂, C₂H₃O₂H (C₂H₃O₂⁻ = acetate)
   - C) NH₃, NH₄Cl
   - D) NaCl, HCl

   **Answer:** B) NaC₂H₃O₂, C₂H₃O₂H (C₂H₃O₂⁻ = acetate)

2. **Question 4:**
   Which of the following reagents **does not** affect the percent dissociation of HNO₂?
   - A) NaNO₂
   - B) NaCl
   - C) HCl
   - D) Ba(NO₂)₂

There are no graphs or diagrams associated with these questions.
Transcribed Image Text:**Exam Questions on Buffer Solutions and Reagents** 1. **Question 3:** Which one of the following pairs **cannot** be mixed together to form a buffer solution? - A) NaF, HF - B) NaC₂H₃O₂, C₂H₃O₂H (C₂H₃O₂⁻ = acetate) - C) NH₃, NH₄Cl - D) NaCl, HCl **Answer:** B) NaC₂H₃O₂, C₂H₃O₂H (C₂H₃O₂⁻ = acetate) 2. **Question 4:** Which of the following reagents **does not** affect the percent dissociation of HNO₂? - A) NaNO₂ - B) NaCl - C) HCl - D) Ba(NO₂)₂ There are no graphs or diagrams associated with these questions.
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