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Item #: AP8834

Price: $24.20

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With the Quantitative Determination of Barium Chemistry Super Value Laboratory Kit, students gain experience in gravimetric analysis and precipitation techniques. Students calculate the percent of barium nitrate in a given sample.

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Item# AP8834 AP7579
Type of Kit Student Laboratory Kit Super Value Laboratory Kit
Price $24.20 $51.75
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Product Details

This experiment is a very straightforward introduction to quantitative determinations. Students are given a mixture of barium nitrate and sodium nitrate salts. A portion of the sample is weighed and dissolved in water. Sulfuric acid is added to the solution and the barium is precipitated as barium sulfate. The students filter the precipitate, using ashless filter paper. The filter paper is burned away from the barium sulfate in a crucible. The crucible and dry barium sulfate are then weighed. The students use this data to calculate the percent of barium nitrate in the original sample. Students will gain experience in gravimetric analysis and precipitation techniques. Includes reproducible student procedure, complete Teacher Notes with sample data and answers to questions, and all the chemicals needed to perform the lab.

Complete for 24 students working in pairs. Super Value Kit is complete for 5 classes of 24 students working in pairs.


Materials Included in Kit: 
Barium nitrate, 12 g
Sodium nitrate, 12 g
Sulfuric acid solution, 3 M, 500 mL

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Planning and carrying out investigations
Analyzing and interpreting data
Using mathematics and computational thinking
Obtaining, evaluation, and communicating information

Disciplinary Core Ideas

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

Crosscutting Concepts

Energy and matter
Structure and function
Stability and change

Performance Expectations

HS-PS1-1. Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
HS-PS1-3. Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.
HS-PS1-7. Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction.