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

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

Supplier:  Aqua Phoenix Scientific 16108

Catalog No. S07336

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

Description

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.

Specifications

• Certifications/Compliance: Meets new 2013 AP standards, meets AP science practices 2, 3 and 5
• Grade: 10 to 14
• Includes: 50g sucrose, 40g d-glucose, 20g calcium chloride anhydrous, 100g lauric acid, 14g benzoic acid, sodium chloride, 15g rock salt, naphthalene

• Product Type: Determining Molar Mass By Colligative Properties Chemistry Kit
• 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
• Class Size: 24 Students (12 Groups)