A q req Use the References to access important values if needed for this question. The value of Kai and Ka2 for oxalic acid (H₂C₂04) are 5.90x102 and 6.40x10-5, respectively. (Use H3O+ Instead of H+.) Write the equation for the reaction that goes with Kal: 1 Write the equation for the reaction that goes with Ka2: Submit Answer 1 Retry Entire Group + 9 more group attempts remaining Next>

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 107QRT
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The following educational content provides information about the dissociation constants (Ka) for oxalic acid (H₂C₂O₄), an important organic compound. Oxalic acid has two dissociation constants, Ka₁ and Ka₂, with the values 5.90 x 10⁻² and 6.40 x 10⁻⁵, respectively. When analyzing the dissociation of oxalic acid in solution, the hydronium ion (H₃O⁺) is considered instead of the hydrogen ion (H⁺).

### Dissociation Reactions:

1. **Ka₁ Reaction:**
   - Write the balanced chemical equation for the first dissociation of oxalic acid to express the reaction for Ka₁.
   - Example format: `H₂C₂O₄ + H₂O → H₃O⁺ + HC₂O₄⁻`

2. **Ka₂ Reaction:**
   - Write the balanced chemical equation for the second dissociation, expressing the reaction for Ka₂.
   - Example format: `HC₂O₄⁻ + H₂O → H₃O⁺ + C₂O₄²⁻`

### Interactive Component:

- There are two input fields provided for learners to actively write and submit the dissociation equations.
- A "Submit Answer" button is available to check the responses.
- Users have 9 attempts to correctly input their answers, encouraging practice and mastery.

This task helps reinforce the understanding of acid dissociation, equilibria, and chemical reaction notation, which are essential concepts in chemistry.
Transcribed Image Text:The following educational content provides information about the dissociation constants (Ka) for oxalic acid (H₂C₂O₄), an important organic compound. Oxalic acid has two dissociation constants, Ka₁ and Ka₂, with the values 5.90 x 10⁻² and 6.40 x 10⁻⁵, respectively. When analyzing the dissociation of oxalic acid in solution, the hydronium ion (H₃O⁺) is considered instead of the hydrogen ion (H⁺). ### Dissociation Reactions: 1. **Ka₁ Reaction:** - Write the balanced chemical equation for the first dissociation of oxalic acid to express the reaction for Ka₁. - Example format: `H₂C₂O₄ + H₂O → H₃O⁺ + HC₂O₄⁻` 2. **Ka₂ Reaction:** - Write the balanced chemical equation for the second dissociation, expressing the reaction for Ka₂. - Example format: `HC₂O₄⁻ + H₂O → H₃O⁺ + C₂O₄²⁻` ### Interactive Component: - There are two input fields provided for learners to actively write and submit the dissociation equations. - A "Submit Answer" button is available to check the responses. - Users have 9 attempts to correctly input their answers, encouraging practice and mastery. This task helps reinforce the understanding of acid dissociation, equilibria, and chemical reaction notation, which are essential concepts in chemistry.
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