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Qualitative Analysis of 11 Unknowns—Super Value Laboratory Kit

By: The Flinn Staff

Item #: AP4855 

Price: $98.39

In Stock.

With the Qualitative Analysis of 11 Unknowns Chemistry Super Value Laboratory Kit, students follow a qualitative analysis flow chart to identify of unknowns. Following the flow chart, students test the unknowns and record observations.

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Product Details

Eleven white solids—they all look alike! How can they be identified? Students follow a qualitative analysis flow chart to determine the identity of the eleven unknowns—all common household substances. Following the flow chart, students use a variety of physical and chemical procedures to test the unknowns and record descriptive observations on the data sheet. Students ultimately make a “guess” as to the identity of the unknowns. Teacher Notes and reproducible student handouts include easy-to-follow lab instructions, a detailed flow chart and data tables. Eleven unknown samples, test reagents, 11 polypropylene jars, test tubes, pipets and wood stirrers are provided.

Super Value Kit is complete for 5 classes of 30 students working in pairs.


Materials Included in Kit: 
Benedicts qualitative solution, 200 mL
Boric acid, 100 g
Calcium carbonate, 50 g
Calcium sulfate, 50 g
Iodine, tincture, 50 mL
Isopropyl alcohol solution, 50%, 250 mL, 4
Levulose, 50 g
Magnesium sulfate, 50 g
Phenolphthalein solution, 1%, 100 mL
Sodium bicarbonate, 50 g
Sodium carbonate, 100 g
Sodium chloride, 100 g
Sodium hydroxide solution, 0.2 M, 100 mL
Sodium hydroxide, 50 g
Starch, corn, 50 g
Sucrose, 100 g
Vinegar, white, 400 mL
Bottle, jar, capped, 60 mL, 11
Pipet, Beral-type, thin stem, 100
Tubes, culture, disposable, 13 x 100 mm, 175
Wood splints, 200

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Analyzing and interpreting data

Disciplinary Core Ideas

MS-PS1.A: Structure and Properties of Matter
MS-PS1.B: Chemical Reactions
HS-PS1.A: Structure and Properties of Matter

Crosscutting Concepts


Performance Expectations

MS-PS1-2. Analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.