Kemtec™ AP™ Chemistry Kits: Determining Molar Mass by Colligative Properties

Includes

Sucrose, 50g; D-Glucose, 40g; Calcium Chloride, Anhydrous, 20g; Lauric Acid, 100g; Benzoic Acid, 14g; Sodium Chloride, Rock Salt; Naphthalene, 15g

Requires

Hotplates, analytical balances, thermometers and basic lab supplies

Students investigate all aspects of freezing point depression, including solvent freezing constant, van't Hoff factor and molar mass.

Fulfill the AP required inquiry component while determining important applications of freezing point depression in everyday life. Direct students to design an experiment to resolve: What is the lowest temperature at which road treatment containing calcium chloride would be effective?

• Includes multiple solvents and solutes, both ionic and molecular
• Instructor's manual features background material, easy-to-follow stepwise protocols, assessment questions, sample data, modeled calculations, and an answer key
• Kit designed to exceed 2013 AP Next Generation National Standards
• Meets AP Science Practices 2, 3 & 5
• Targets Grades: 10-14
• Accommodates 24 Students Working in Groups of two

Kemtec AP kits are compatible with optional data collection and simulations using TI-Nspire handhelds and software. Free activities can be found at www.fisheredu.com/TI.

Certifications/Compliance

Meets new 2013 AP standards, meets AP science practices 2, 3 and 5

Product Type

Determining Molar Mass By Colligative Properties Chemistry Kit

Grade

10 to 14

For Use With (Application)

For students to investigate all aspects of freezing point depression, including solvent freezing constant, van't hoff factor and molar mass

Includes

50g sucrose, 40g d-glucose, 20g calcium chloride anhydrous, 100g lauric acid, 14g benzoic acid, sodium chloride, 15g rock salt, naphthalene

Class Size

24 Students (12 Groups)