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Item #: PF2049 

Price: $65.00

In this lab experience, students vary the amounts of either barium ion or iodate ion to evaluate limiting reagents and how the mole ratio between the reactants plays a role. The importance of stoichiometry calculations is the primary focus of this lab. Students will use different reactant volumes to evaluate limiting and excess reagents. They will see that one single reactant is not always limiting. The molar ratio between the reactants is what determines whether one is limiting and the other is in excess. This lab will also help students understand the difficulty in achieving perfect molar equality between the reactants. There is generally always an excess and limiting reactant. But with careful calculations that excess can be minimized.

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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


Materials Included in Kit

Consumable:
Barium chloride solution, 0.2 M, 1 L
Potassium iodate solution, 0.2 M, 1 L
Sodium bisulfate/starch indicator solution, 200 mL
Sodium sulfate solution, 0.1 M, 125 mL
Syringes, 10 mL, 20
Pipets, 100
Wood splints, package of 100

Non-Consumable:
Test tubes, 16 mm x 100 mm, 50


Additional Materials Required
Reaction Plates, 24 Wells, 10
Ruler, Metric, Clear, 30 cm, 10
Test Tube Rack, Economy Choice, 10