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Acids, Bases and Indicators
125
Acids, Bases and Indicators—Laboratory Kits,
continued
Introduction to Acid–Base
Titration—Student Laboratory Kit
By: Brother Carmen Ciardullo, Retired
St. Joseph’s Prep Seminary, Princeton, NJ
Several titrations can be performed during one class period with surpris- ingly good results. Students determine the percentage of acetic acid in household vinegar by titrating the vinegar with a sodium hydroxide solution of known concentration. The indicator phenolphthalein will produce a pink endpoint. Instructions include step-by-step explana- tions of the calculations. All chemicals and specialized equipment are included.
Complete for 30 students working in pairs. Fifteen reusable 24-well plates are recommended and available separately.
Acid–Base Titrations—
General Chemistry Guided-Inquiry Experiment See page 15.
Vinegar Mix-Up Titration
By: The Flinn Staff
Students will have fun solving the vinegar mix up
at the factory! A common question chemists have to answer is how much of a specific acid or base is present in a product. Using acid- base titration, your students will solve a mystery of mixed up barrels! Several barrels of vinegar were mixed up and mislabeled. The factory needs students to determine the percentage of vinegar in the barrels and correctly label each container. The lab begins with students preparing and standardizing the sodium hydroxide solution. Once the concentra- tion of the base is known, students are then challenged to identify the concentrations of vinegar samples. Use this colorful and engaging activity to help teach acid-base titration!
Complete for 30 students working in pairs.
Acid–Base Titrations—
Classic General Chemistry Experiment See page 21.
Titration: Indentifying the Concentration
of an Acid—Student Laboratory Kit
By: The Flinn Staff
Most products we use every day, including food, beverages, medication and cleaning solutions, have acidic and basic properties! A common question chemists have to answer is how much of a specific acid or base is present in a product. In this lab, the concentration of an acid in a sample is determined by a titration. The lab begins with preparing and then standardizing the sodium hydroxide solution. Once the concentra- tion of the base is known, students are then challenged to identify the concentration of a sample of hydrochloric acid. Use this colorful and engaging activity to help teach acid–base titration!
Complete for 30 students working in pairs.
Introduction to Acid–Base Titration— Student Laboratory Kit AP2046
Catalog No.
Description
Price/Each
AP2046
Introduction to Acid–Base Titration— Student Laboratory Kit
$21.20
AP1447
Reaction Plate, 24-well
4.55
Catalog No.
Description
Price/Each
AP8699
Vinegar Mix-Up Titration
$49.10
Vinegar Mix-Up Titration AP8699
ACIDS, BASES AND INDICATORS—LABORATORY KITS continued on next page.
Titration: Indentifying the Concentration of an Acid AP8485
Catalog No.
Description
Price/Each
AP8485
Titration: Indentifying the Concentration of an Acid
$24.05