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About Stoichiometry: Gravimetric Analysis (NEW) Virtual Lab Simulation
This short, targeted simulation is adapted from the full-length “Stoichiometric Calculations” simulation.
Labster chemical laboratory needs your help! One of the chemical container´s label went missing, and you can help us figure out what is inside, so we can re-label it properly! Use gravimetric analysis to identify an unknown compound, just as Marie Curie, one of the greatest chemists, used it for her breakthrough radioactive research!
Prepare the analyte:
Your first mission in this short simulation will be to prepare the compound for gravimetric analysis. Use a balanced chemical reaction equation to prepare the compound and perform precipitation reaction. Remember to record everything in your virtual Lab journal and solve the mystery!
Perform filtration:
Next step will teach you how to perform the suction filtration process. You will learn how to set up the equipment and how to handle the precipitated sample. Always go back to your lab journal, your precise analysis will help us to learn the truth about an unknown compound!
Use theoretical knowledge in practice:
After performing gravimetric analysis and gathering all pieces of information, it’s time to identify an unknown compound! You will also learn to calculate reaction yield, to see how close we were to the ideal chemically balanced reaction!
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Techniques in Lab
Gravimetric analysis
Learning Objectives
At the end of this simulation, you will be able to…
- Identify limiting and excess reagents in a chemical reaction
- Separate a precipitate solid from a mixture by suction filtration
- Calculate the theoretical, actual and percentage reaction yield
Simulation Features
Examples of Related Standards
General chemistry courses
HS-PS1-7, PS1.A-E2
Chemistry 1: Stoichiometric relationships
Chemistry 1.2: The mole concept
Chemistry Unit 1.1: Moles and molar mass
Chemistry Unit 4.5: Stoichiometry
Screenshots of Stoichiometry: Gravimetric Analysis (NEW) Virtual Lab Simulation
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