Gravimetric Analysis of a Metal Carbonate—Classic Laboratory Kit for AP® Chemistry
By: The Flinn Staff
Item #: AP6378
In the Gravimetric Analysis of a Metal Carbonate Classic Lab Kit for AP* Chemistry, students determine the identity of a Group 1 metal carbonate by gravimetric analysis. Students gain valuable experience in the gravimetric analysis process.
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Classic AP Requirement #16—Analytical Gravimetric Determination
In this laboratory, students determine the identity of a Group 1 metal carbonate by gravimetric analysis. The unknown is weighed, dissolved in water and precipitated as calcium carbonate. The precipitate is filtered, dried and weighed. From the data, the formula weight and the identity of the unknown metal carbonate are determined. Students gain valuable experience in the process of gravimetric analysis. The lab is free of heavy-metal waste typically generated with most gravimetric analysis labs.
Complete for a class of 24 students working in pairs.
Gravimetric Analysis of a Metal Carbonate Inquiry Guidance & AP* Chemistry Curriculum Alignment Transition Guide available! Follow the link in Resources to find this valuable publication that lets you adapt this classic AP Chemistry experiment for guided-inquiry and correlate with the AP Chemistry curriculum framework.
Materials Included in Kit:
Calcium chloride solution, 0.2 M, 500 mL, 4
Potassium carbonate, 60 g, 2
Sodium carbonate, 50 g, 2
Additional Materials Required (for each lab group): 0.001-g precision balance (shared), beakers, Bunsen burner, crucible, crucible tongs, drying oven (shared), filter funnel, quantitative filter paper, heat-resistant pads, ring clamp, glass stirring rods, support stand, pipe stem triangle, wash bottle with distilled or deionized water, watch glass.
Correlation to Next Generation Science Standards (NGSS)†
Science & Engineering Practices
Using mathematics and computational thinking
Planning and carrying out investigations
Disciplinary Core Ideas
HS-PS1.A: Structure and Properties of Matter
HS-PS1.B: Chemical Reactions
Energy and matter
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.