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What is the typical pH range for phenolphthalein as an indicator?
What is the typical pH range for phenolphthalein as an indicator?
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Practice Questions
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Q1
What is the typical pH range for phenolphthalein as an indicator?
0-4
4-10
8-10
10-14
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Phenolphthalein changes color in the pH range of approximately 4 to 10, making it suitable for many acid-base titrations.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the typical pH range for phenolphthalein as an indicator?
Solution:
Phenolphthalein changes color in the pH range of approximately 4 to 10, making it suitable for many acid-base titrations.
Steps: 5
Show Steps
Step 1: Understand what phenolphthalein is. It is a chemical compound used as an indicator in acid-base reactions.
Step 2: Know that indicators change color depending on the pH level of a solution.
Step 3: Learn that phenolphthalein specifically changes color in a certain pH range.
Step 4: Identify that the typical pH range for phenolphthalein is from about 4 to 10.
Step 5: Recognize that this pH range means phenolphthalein can be used in many acid-base titrations.
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