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Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. conjugate acid formula HNO₂ Ka 0 4.5 x 10 -4 conjugate base formula HCO3 CH N 0 Kb 2.2 X 10 1.7 X 10 0 -8 -9 X 3

Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. conjugate acid formula HNO₂ Ka 0 4.5 x 10 -4 conjugate base formula HCO3 CH N 0 Kb 2.2 X 10 1.7 X 10 0 -8 -9 X 3

Chemistry
Chemistry
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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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**Table Completion Exercise** **Instructions:** Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. | Conjugate Acid | | Conjugate Base | | |-----------------|---------------|----------------|----------------| | **Formula** | **Kₐ** | **Formula** | **Kᵦ** | | □ | □ | HCO₃⁻ | 2.2 × 10⁻⁸ | | □ | □ | C₅H₅N | 1.7 × 10⁻⁹ | | HNO₂ | 4.5 × 10⁻⁴ | □ | □ | **Key:** - **□**: Blank spaces to be filled. **Additional Notes:** - A keypad-like tool is depicted with square and small square symbols followed by "x10," as well as "X" and "Reset" symbols, possibly indicating input methods for completing the table. **Objective:** Learn how the ionization constants \( K_a \) and \( K_b \) are related for pairs of conjugate acids and bases, a crucial concept in understanding acid-base chemistry.
Transcribed Image Text:**Table Completion Exercise** **Instructions:** Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. | Conjugate Acid | | Conjugate Base | | |-----------------|---------------|----------------|----------------| | **Formula** | **Kₐ** | **Formula** | **Kᵦ** | | □ | □ | HCO₃⁻ | 2.2 × 10⁻⁸ | | □ | □ | C₅H₅N | 1.7 × 10⁻⁹ | | HNO₂ | 4.5 × 10⁻⁴ | □ | □ | **Key:** - **□**: Blank spaces to be filled. **Additional Notes:** - A keypad-like tool is depicted with square and small square symbols followed by "x10," as well as "X" and "Reset" symbols, possibly indicating input methods for completing the table. **Objective:** Learn how the ionization constants \( K_a \) and \( K_b \) are related for pairs of conjugate acids and bases, a crucial concept in understanding acid-base chemistry.
Expert Solution
Step 1: Determine the Ka, Kb and conjugate acid and bases from the given data:

     conjugate acid               


               conjugate base


            formula             Ka                    formula                 Kb


                 HCO3-       2.2 x 10-8


                C5H5N       1.7 x 10-9
            HNO2       4.5 x 10-4

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