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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!
Related Course
+20 other courses
Stoichiometry: Avogadro’s number and molecular calculations
Define and calculate key molecular parameters based on Avogadro’s Law and learn about the relationship between mass, molecular weight, and numbers of atoms or molecules!
.png?fm=jpg&w=450&h=400 "Energy Surfaces and Spontaneous Reactions")
Energy Surfaces and Spontaneous Reactions
Learn the core concepts of thermodynamics and discover how chemical reactions can be represented with energy surfaces. Determine which chemical reactions are spontaneous.
Pipetting: Master the technique
Micropipettes are the extended arm of every biochemist. In this simulation, you will learn the art of pipetting in a hands-on experiment, as you try to determine the protein content of a corn cob. Will you be able to help LabsterFood Inc. create a breed of corn that contains enough essential amino acids to fulfil a person’s daily requirements? After playing this simulation, you’ll be ready to show off your pipetting skills when you enter the lab for the first time.
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."
Boost STEM Pass Rates
Boost Learning with Fun
75% of students show high engagement and improved grades with Labster
Discover Simulations That Match Your Syllabus
Easily bolster your learning objectives with relevant, interactive content
Place Students in the Shoes of Real Scientists
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FAQs
Find answers to frequently asked questions.
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A Labster virtual lab is an interactive, multimedia assignment that students access right from their computers. Many Labster virtual labs prepare students for success in college by introducing foundational knowledge using multimedia visualizations that make it easier to understand complex concepts. Other Labster virtual labs prepare learners for careers in STEM labs by giving them realistic practice on lab techniques and procedures.
Labster’s virtual lab simulations are created by scientists and designed to maximize engagement and interactivity. Unlike watching a video or reading a textbook, Labster virtual labs are interactive. To make progress, students must think critically and solve a real-world problem. We believe that learning by doing makes STEM stick.
Yes, Labster is compatible with all major LMS (Learning Management Systems) including Blackboard, Canvas, D2L, Moodle, and many others. Students can access Labster like any other assignment. If your institution does not choose an LMS integration, students will log into Labster’s Course Manager once they have an account created. Your institution will decide which is the best access method.
Labster is available for purchase by instructors, faculty, and administrators at education institutions. Purchasing our starter package, Labster Explorer, can be done using a credit card if you are located in the USA, Canada, or Mexico. If you are outside of North America or are choosing a higher plan, please speak with a Labster sales representative. Compare plans.
Labster supports a wide range of STEM courses at the high school, college, and university level across fields in biology, chemistry, physics, and health sciences. You can identify topics for your courses by searching our Content Catalog.