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14. Consider this titration curve and answer questions a-h. (2 pts each) 14 12 10 4. 2. 10 15 20 25 30 35 40 ml base added a) This is a (strong/weak) acid titrated with a strong base. b) Place a dot () on the curve at the equivalence point. c) The pH at the equivalence point is d) What volume of base was used to titrate the acid solution to the equivalence point? e) Place a box () on the curve at the half-equivalence point. ) What is the pH at this point?

14. Consider this titration curve and answer questions a-h. (2 pts each) 14 12 10 4. 2. 10 15 20 25 30 35 40 ml base added a) This is a (strong/weak) acid titrated with a strong base. b) Place a dot () on the curve at the equivalence point. c) The pH at the equivalence point is d) What volume of base was used to titrate the acid solution to the equivalence point? e) Place a box () on the curve at the half-equivalence point. ) What is the pH at this point?

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 Curve Analysis **Problem Statement:** Consider the titration curve and answer questions a-h. Each question is worth 2 points. **Graph Description:** The graph displayed is a classic titration curve with the following attributes: - **Y-axis (vertical):** Represents the pH levels ranging from 2 to 14. - **X-axis (horizontal):** Indicates the milliliters (ml) of base added, ranging from 0 to 40 ml. - The curve starts at a low pH of approximately 3, showing a gradual increase as base is added until around 8 ml. - A sharp increase in pH is noted between approximately 15 ml and 25 ml, indicating the equivalence point. - Post the equivalence point, the curve levels off at a pH near 12 as more base is added, up to 40 ml. **Questions:** a) This is a _______ (strong/weak) acid titrated with a strong base. b) Place a dot (⚫) on the curve at the equivalence point. c) The pH at the equivalence point is _______. d) What volume of base was used to titrate the acid solution to the equivalence point? _______ e) Place a box (◻) on the curve at the half-equivalence point. f) What is the pH at this point? _______ ### Conclusion: This exercise involves analyzing the curve to determine the nature of the acid being titrated and identifying key points such as the equivalence and half-equivalence points. Understanding these will help provide insights into the acid-base reaction taking place.
Transcribed Image Text:### Titration Curve Analysis **Problem Statement:** Consider the titration curve and answer questions a-h. Each question is worth 2 points. **Graph Description:** The graph displayed is a classic titration curve with the following attributes: - **Y-axis (vertical):** Represents the pH levels ranging from 2 to 14. - **X-axis (horizontal):** Indicates the milliliters (ml) of base added, ranging from 0 to 40 ml. - The curve starts at a low pH of approximately 3, showing a gradual increase as base is added until around 8 ml. - A sharp increase in pH is noted between approximately 15 ml and 25 ml, indicating the equivalence point. - Post the equivalence point, the curve levels off at a pH near 12 as more base is added, up to 40 ml. **Questions:** a) This is a _______ (strong/weak) acid titrated with a strong base. b) Place a dot (⚫) on the curve at the equivalence point. c) The pH at the equivalence point is _______. d) What volume of base was used to titrate the acid solution to the equivalence point? _______ e) Place a box (◻) on the curve at the half-equivalence point. f) What is the pH at this point? _______ ### Conclusion: This exercise involves analyzing the curve to determine the nature of the acid being titrated and identifying key points such as the equivalence and half-equivalence points. Understanding these will help provide insights into the acid-base reaction taking place.
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