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Your Safer Source for Science
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Item #: PF2074 

Price: $30.00

Performance Assessment

In this lab experience, students examine three acid samples and compare and contrast their observed pH with the amount of base needed to reach the endpoint in a titration. Students will apply scientific reasoning and successfully identify their unknowns by considering if the samples are weak or strong and mono or diprotic.

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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

Adipic acid, 20 g
Nitric acid, 50 mL
Phenolphthalein indicator solution, 100 mL
Sodium hydroxide solution, NaOH, 0.005 M, 100 mL
Sulfuric acid, 20 mL

Additional Materials Required
Beakers, Borosilicate Glass, 50-mL, 30
Buret, Borosilicate Glass, with Glass Stopcock, 50-mL, 10
Cylinder, Borosilicate Glass, 50 mL, 10
Flask, Erlenmeyer, Borosilicate Glass, 250 mL, 30
Flinn pH Meter, 10
Single Buret Clamp, Plastic-Coated Jaw, 10
Support Stand, Economy Choice, 10