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About This Simulation
Perform gravimetric analysis to identify an unknown chemical in Labster laboratory!
Learning Objectives
- 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
About This Simulation
Lab Techniques
- Gravimetric analysis
Related Standards
- HS-PS1-7
- PS1.A-E2
- Chemistry 1.1 Moles and Molar Mass
- Chemistry 4.5 Stoichiometry
- Chemistry 1
- Chemistry 1.2
Learn More About This 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!
Experience Labster for Yourself
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Easily bolster your learning objectives with relevant, interactive content
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For Science Programs Providing a Learning Advantage
North Dakota State College of Science
“They did the simulation at home, then completed the in-person lab within 30 minutes, no questions asked, and passed the quiz with flying colors.”
Lecturer in Human Physiology
University of Westminster
"I saw some of the students who clearly didn’t necessarily like sitting there reading a book discover they could turn on Labster and keep up with the rest of the class because it spoke to them.
Modesto City Schools
"Having something that's engaging for the students gives teachers that opportunity to breathe and get excited again. Because they're seeing the kids light up, they're seeing the kids engage with content."
Wenatchee Valley College
"The question always is, ‘Can we demonstrate that the students are meeting course outcomes?’ Check! We can do that.”
San José State University
"We surveyed over 400 students. More than 90% thought Labster was easy to navigate, and that it was fun, but more importantly, most of them felt confident that they could execute the labs in person. And that confidence is a big deal."
FAQs
Find answers to frequently asked questions.
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Labster is hosted online, which means that students only have to login from their internet browsers once an account is created.
Labster is only available for purchase by faculty and administration at academic institutions. To procure Labster, simply reach out to us on our website. Schedule a demo, book a meeting to discuss pricing, start a free trial, or simply fill out our contact form.
Labster simulations are created by real scientists and designed with unparalleled interactivity. Unlike point and click competitors, Labster simulations immerse students and encourage mastery through active learning.
Labster supports a wide range of courses at the high school and university level across fields in biology, chemistry and physics. Some simulations mimic lab procedures with high fidelity to train foundational skills, while others are meant to bring theory to life through interactive scenarios.