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Molar Mass by Freezing-Point Depression Kit for AP® Chemistry

Item # 840507

Meets AP® Chemistry topic 4. In this powerful illustration of colligative properties, students determine the molar mass of a substance by freezing-point depression. First, they identify a pure solvent’s freezing point, dissolve their sample in the solvent, and determine the freezing point of this solution. The freezing-point depression is then used to calculate the sample’s molar mass. All kit materials are reusable and the kit includes a test tube rack for easy storage of freezing-point samples.

Price

$53.50

In stock and available to ship.

Meets AP® Chemistry topic 4. In this powerful illustration of colligative properties, students determine the molar mass of a substance by freezing-point depression. First, they identify a pure solvent’s freezing point, dissolve their sample in the solvent, and determine the freezing point of this solution. The freezing-point depression is then used to calculate the sample’s molar mass. All kit materials are reusable and the kit includes a test tube rack for easy storage of freezing-point samples.

An optional procedure for collecting data using temperature probes is included. Materials are sufficient for 30 students working in pairs.

AP® is a trademark registered and/or owned by the College Board®, which was not involved in the production of, and does not endorse, this product.

 
Components Qty Included?
Culture Tubes, 20 x 150 mm 16 Included
Culture Tube Caps 16 Included
Blank Labels 30 Included
Test Tube Rack 1 Included
Lauric Acid, 100 g 2 Included
Benzoic Acid, 20 g 1 Included
Teacher's Manual and Reproducible Student Guide 1 Included
Laboratory Thermometers 15 Needed, Not included
Beakers for Water Bath, 400 mL 15 Needed, Not included
Bunsen Burners 15 Needed, Not included
Ring Stands 15 Needed, Not included
Utility Clamps 15 Needed, Not included
Wire Gauze 15 Needed, Not included
Iron Rings 15 Needed, Not included
Spatulas 6 Needed, Not included
Balances (accurate to 0.1 g) 2 Needed, Not included
Paper Towels Needed, Not included
Safety Goggles Needed, Not included

Correlations to State Standards

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