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Your Safer Source for Science
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Item #: PF2070 

Price: $70.00

In this lab experience, students carry out an investigation to determine how the rate of the iodine clock reaction is affected by the concentration of reactants involved. With this reaction students should come to understand that increasing the concentration of potassium iodate decreases the reaction time. Also, for the advanced version, increasing the temperature also decreases the reaction time.

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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.

Materials Included in Kit

Potassium iodate solution, 0.2 M, 2.4 L
Starch, soluble, potato, 52 g
Sodium metabisulfite, 32 g
Cups, clear plastic, 10 oz, package of 50

Additional Materials Required
Beakers, Borosilicate Glass, 400-mL, 60
Cylinder, Borosilicate Glass, 100 mL, 40
Cylinder, Borosilicate Glass, 250 mL, 40
DLAB Classic Magnetic Stirrer/Hot Plate, 10
Flinn Digital Thermometer, 10
Stirring Rods, Glass, 10
Student Timer, 12-pack, 1
Bottles, Washing, Polyethylene, 250-mL, 10