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East Carolina University *

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Chemistry

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Jun 2, 2024

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Worksheet 7.4 pH and Acid Strength 1. Here are two different acidic solutions: (1) a solution with a pH of 2.30 (2) a solution with a pH of 1.30 Can you predict which solution is more acidic? Explain your reasoning. 2. If the solution with the pH of 2.30 had a concentration of 0.05 M, what is the percent ionized for the acidic solution? 3. Draw a particulate (molecular level) representation of the solution mixture in Question 2. Do not include water molecules in your drawing. 4. Using the data given in Question 2 along your responses in Questions 2 and 3, what can you predict about the strength of the acid? How do you know? 5. If the solution with the pH of 1.30 had a concentration of 0.05 M, what is the percent ionization for the acid solution? 6. Draw a particulate (molecular level) representation of the solution mixture in Question 5. Do not include water molecules in your drawing.
Worksheet 7.4 pH and Acid Strength 7. Using the data given in Question 5 along your responses in Questions 5 and 6, what can you predict about the strength of the acid? How do you know? 8. Now use your answers from Questions 4 and 7 to reflect back on your answer from Question 1. How do your answers compare? Redo Question 1 if needed.
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