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At the equivalence point for the titration, the moles of added HCI are equal to the moles of Na2CO3. One drop (or less!) past this is called the endpoint. The added HCI begins to titrate the thymol blue indicator itself. At the endpoint, the indicator color is [Select] When you weren't paying attention and added too much HCI (~12 mL extra), the color is [Select] When you really weren't paying attention and reached the second equivalence point of Na2CO3, the color is ✓ [Select] blue yellow red orange green Question 9

At the equivalence point for the titration, the moles of added HCI are equal to the moles of Na2CO3. One drop (or less!) past this is called the endpoint. The added HCI begins to titrate the thymol blue indicator itself. At the endpoint, the indicator color is [Select] When you weren't paying attention and added too much HCI (~12 mL extra), the color is [Select] When you really weren't paying attention and reached the second equivalence point of Na2CO3, the color is ✓ [Select] blue yellow red orange green Question 9

Chemistry
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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**Titration and Color Change with Thymol Blue Indicator** **Instructions:** For each scenario below, select the color of the solution using the indicator thymol blue during the titration process. 1. **Initial Indicator Addition:** - When you first add the indicator to your \( \text{Na}_2\text{CO}_3 \) solution, the solution is basic (pH ~10), and the color is [Select]. 2. **Equivalence Point:** - At the equivalence point for the titration, the moles of added HCl are equal to the moles of \( \text{Na}_2\text{CO}_3 \). One drop (or less) past this is called the endpoint. The added HCl begins to titrate the thymol blue indicator itself. At the endpoint, the indicator color is [Select]. 3. **Excess HCl Addition:** - When you weren’t paying attention and added too much HCl (~12 mL extra), the color is [Select]. 4. **Second Equivalence Point:** - When you *really* weren't paying attention and reached the second equivalence point of \( \text{Na}_2\text{CO}_3 \), the color is [Select]. **Color Options:** - Blue - Yellow - Red - Orange - Green
Transcribed Image Text:**Titration and Color Change with Thymol Blue Indicator** **Instructions:** For each scenario below, select the color of the solution using the indicator thymol blue during the titration process. 1. **Initial Indicator Addition:** - When you first add the indicator to your \( \text{Na}_2\text{CO}_3 \) solution, the solution is basic (pH ~10), and the color is [Select]. 2. **Equivalence Point:** - At the equivalence point for the titration, the moles of added HCl are equal to the moles of \( \text{Na}_2\text{CO}_3 \). One drop (or less) past this is called the endpoint. The added HCl begins to titrate the thymol blue indicator itself. At the endpoint, the indicator color is [Select]. 3. **Excess HCl Addition:** - When you weren’t paying attention and added too much HCl (~12 mL extra), the color is [Select]. 4. **Second Equivalence Point:** - When you *really* weren't paying attention and reached the second equivalence point of \( \text{Na}_2\text{CO}_3 \), the color is [Select]. **Color Options:** - Blue - Yellow - Red - Orange - Green
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