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Item #: PF2093 

Price: $80.00

Engineering Design Challenge

In this lab experience, students are challeneged to determine the amount of copper present within a sample. Students use their knowledge of the law of conservation of mass and chemical quantities to determine the percent by mass of copper in a sample of copper chloride hydrate.

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Product Details

Safety: Remind students that the unknown compounds are toxic if swallowed and harmful if inhaled. Students should avoid breathing dust or fumes, should wear chemical splash goggles, chemical-resistant gloves, and a chemical-resistant apron. Students should wash hands thoroughly with soap and water before leaving the laboratory. Remind students to handle the hot crucible and its lid only with tongs. They should not touch the crucible with fingers or hands.

Materials Included in Kit

Aluminum wire, 12 cm
Copper(II) Chloride, 2 g
Weighing dishes, 20

Additional Materials Required
Aspirator, Water, Metal (Chapman Type), 10
Beakers, Borosilicate Glass, 250-mL, 10
Büchner Funnel, Porcelain, Coors, 63 mm, 10
Bunsen Burner, Adjustable, Natural Gas, 10
Crucible, Porcelain, High Form, with Cover, Flinn, 15-mL, 10
Filter Paper, Qualitative, 7.0 cm, 10
Flask, Filtering, Borosilicate Glass, 500 mL, 10
Flinn Scientific Electronic Balance, 210 x 0.01-g, 10
Piezoelectric Igniter, 10