Featured in PASCO’s Chemistry through Inquiry Teacher Guide
Features over 25 inquiry based labs covering the fundamental concepts of lab skills, structure & properties of matter, chemical reactions and more.
Double Replacement Reaction
Using a titration, determine the amount of chloride ion in water samples.
Determine the amount of chloride ion in water samples. Through this investigation, students:
- Are introduced to the process of dissolving.
- Learn rules governing the solubility of ionic compounds in aqueous solutions.
- Understand double replacement reactions.
- Become familiar with net ionic equations.
- Are introduced to the method of analytical titration.
Students conduct the following procedures:
- Titrate known and unknown water samples, employing a double replacement reaction between silver nitrate and sodium chloride.
- Calculate the concentration of chloride ion in the water samples.
Ring stand 1
Buret clamp 1
Erlenmeyer flask, 125-mL - 4
Graduated cylinder, 50-mL
0.2% Disodium salt fluorescein indicator - 2 mL
1% Dexrin solution - 100 mL
0.020 M Silver nitrate - 200 mL
0.010 M Sodium chloride - 100 mL
Swimming pool water - 100 mL
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