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Qualitative Analysis of 11 Unknowns—Super Value Laboratory Kit

By: The Flinn Staff

Qualitative Analysis of 11 Unknowns Chemistry Super Value Laboratory Kit
chemical properties, physical properties, chemistry
qualitative analysis, experiments
Qualitative Analysis of 11 Unknowns Chemistry Super Value Laboratory Kit
chemical properties, physical properties, chemistry
qualitative analysis, experiments
Item #: AP4855 

Price: $100.35

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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This item can only be shipped to schools, museums and science centers

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.

Specifications

Materials Included in Kit: 
Benedict’s 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

Patterns

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.