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Item #: PF2020 

Price: $85.00

Performance Assessment

In this lab experience, students quantitatively determine the solubility of sodium halide salts in methanol. Then they use their results to make a prediction about the solubility of sodium fluoride. Students should come to understand that periodic trends can be used to make predictions about the behavior of a material. This empowers researchers to be more efficient when developing new compounds or procedures.

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Product Details

Safety: Before conducting the lab, review the safety precautions on the student page with the class. Then discuss any safety precautions that are specific to your science laboratory or classroom. Do not dry the students’ filter paper in an oven as the methanol vapors could ignite.


Materials Included in Kit

Consumable:
Methanol, CH3OH, 2 L
Sodium bromide, NaBr, 200 g
Sodium chloride, NaCl, 120 g
Sodium iodide, NaI, 200 g


Additional Materials Required
Flinn Scientific Electronic Balance, 410 x 0.01-g, 10
Beakers, Borosilicate Glass, 100-mL, 30
Büchner Funnel, Porcelain, Coors, 63 mm, 10
Cylinder, Borosilicate Glass, 50 mL, 10
Filter Paper, Quantitative, 5.5 cm, 1
FlatSpin™ Compact Magnetic Stirrer, 10
Magnetic Stirring Bar with Molded-on Pivot Ring, 1½" x ⅜", 10
Spatula/Spoon, Micro, 10
Stoppers, Rubber, Büchner Funnel, Size 6, 10
Watch Glass, 90 mm, Borosilicate Glass, 30