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Product 12746

By: The Flinn Staff

In the Synthesis of a Coordination Compound Chemistry Laboratory Kit, students create potassium trioxalatoferrate(III) trihydrate, then determine the percent yield. Some of the most interesting compounds to study are coordination compounds!

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Product Details

Some of the most colorful and interesting compounds to study in chemistry are the coordination compounds. These compounds are usually salts that contain a complex ion; that is, a metal atom bonded to small polar anions, or ligands. In this two-part lab, students will synthesize the brilliant green coordination compound potassium trioxalatoferrate(III) trihydrate, K3[Fe(C2O4)3]•3H2O. In Part 1, the students prepare an intermediate product, iron(II) oxalate. This solid is then converted in Part 2 to potassium trioxalatoferrate(III) trihydrate by oxidation with hydrogen peroxide in the presence of potassium oxalate. The final product is filtered, dried and weighed. Students use the data to calculate the percent yield. The lab provides the students with experience in synthesis techniques and processes. Includes reproducible student procedure, complete Teacher Notes with sample data and answers to questions and all necessary chemicals.

Complete for 24 students working in pairs.

Correlation to Next Generation Science Standards (NGSS)

Science & Engineering Practices

Asking questions and defining problems
Planning and carrying out investigations
Using mathematics and computational thinking
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
HS-PS1.B: Chemical Reactions

Crosscutting Concepts

Scale, proportion, and quantity
Systems and system models
Energy and matter
Cause and effect

Performance Expectations

MS-ESS2-4: Develop a model to describe the cycling of water through Earth’s systems driven by energy from the sun and the force of gravity.
MS-ESS2-5: Collect data to provide evidence for how the motions and complex interactions of air masses results in changes in weather conditions.