Grade 12 Titration Worksheet
A comprehensive worksheet for Grade 12 Chemistry students covering the principles and calculations involved in acid-base titrations.
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Standards
Grade 12 Titration Worksheet
Name:
Date:
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Read each question carefully and provide detailed answers. Show all your work for calculations.
1. Which of the following indicators would be most suitable for the titration of a strong acid with a strong base?
Methyl orange (pH range 3.1-4.4)
Phenolphthalein (pH range 8.2-10.0)
Bromothymol blue (pH range 6.0-7.6)
Litmus (pH range 4.5-8.3)
2. What is the primary purpose of a primary standard in titration?
To act as an indicator for the endpoint
To determine the exact concentration of the titrant
To neutralize the analyte completely
To speed up the titration reaction
3. The point at which the amount of titrant added is chemically equivalent to the amount of analyte in the sample is called the .
4. In an acid-base titration, a is used to visually indicate the endpoint of the reaction.
5. The process of accurately determining the concentration of a solution is known as .
6. Describe the difference between the equivalence point and the endpoint in a titration. Why is it important for them to be as close as possible?
7. Label the key components of the titration setup below:
8. A 25.00 mL sample of an unknown concentration of HCl is titrated with 0.150 M NaOH. If 32.50 mL of NaOH is required to reach the equivalence point, what is the concentration of the HCl solution?
9. A weak acid-strong base titration will have an equivalence point at pH 7.
True
False
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