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About This Simulation
Join your fantastic lab guide Dr. One in preparing a tricky aqueous solution of ammonium chloride using an analytical balance, which your colleagues need for an important analysis.
Learning Objectives
- Prepare an aqueous solution of a specific concentration from a pure salt
- Correctly use an analytical balance, a volumetric pipette, a volumetric flask, and a measuring cylinder
- Explain the relationship between molarity and mass concentration
About This Simulation
Lab Techniques
- Correct use of analytical balance
Related Standards
- HS-PS1-3, HS-PS1-2, HS-PS1-4, HS-PS1-5
- 3.8 Representations of Solutions
- 1.3 Reacting Masses and Volumes
Learn More About This Simulation
Prepare to become a solution champion! In this simulation, you will complete all the steps involved in preparing an aqueous solution of a given molarity from ammonium chloride – a water-soluble salt, from start to storage.
Use that balance
Your first mission will be to determine the exact amount of ammonium chloride needed for your solution. When the calculations are sorted, you will move to your first workbench, where you’ll find an analytical balance. You will use this instrument of high precision to obtain just the right amount of the substance. It’s a tricky procedure, but you’ll have unlimited time and attempts to get it right.
Glassware and quantitative transfer
Moving on to the second workbench, you will explore and determine what glassware will be appropriate for you to use. Your lab guide and mentor, Dr. One, will walk you through the process of preparing the solution. You will have the freedom to use the equipment as you like, but only by following Dr. One’s instructions will you be successful in making the right solution. To make sure you can always redo essential steps of the process, Dr. One will provide you with a fantastic reset button, so you can try again if you make a mistake.
Solve the preparation
In the end, only by carefully ensuring that the right amount of water and ammonium chloride is used can you make the correct solution. Are you prepared for solving how to perform a Solution Preparation?
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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 can be integrated within a school's LMS (Learning Management System), and students can access it like any other assignment in their LMS. If your Institution does not choose an LMS integration, students will log in to Labster's Course Manager once they have an account created. Your institution will decide the access method during the sales process.
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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.