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Interactive
Chemistry Collective

Virtual Lab: Unknown Silver Chloride

For Students 9th - Higher Ed
You'll need to concentrate on the concentration lab to get it done. Given a virtual beaker with a silver chloride solution of unknown concentration, scholars find the silver ion concentration in the solution. Of course, they must show...
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Interactive
Chemistry Collective

Virtual Lab: Unknown Concentration of DNA Solution Problem

For Students 9th - Higher Ed
Highlight DNA solution with fluorescent dyes! Scholars use dye to determine the concentration of a DNA solution. As the dyes bind with the DNA solution, learners make conclusions about the limiting reactants.
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Interactive
Chemistry Collective

Virtual Lab: Unknown Acid and Base Problem

For Students 9th - Higher Ed Standards
Looking for an easy way to give your class experience with acid-base chemistry outside the lab? Try a detailed interactive that puts them in total control! Young chemists determine the dissociation constant and concentration of an...
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Interactive
Chemistry Collective

Virtual Lab: Acid Dilution Problem

For Students 9th - Higher Ed
There's no risk of injury when working with virtual HCl! Challenge your young chemists with making calculations to create a 3M solution of HCl from the concentrated acid. They first calculate the correct ratios of HCl and water and then...
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Lesson Plan
Curated OER

The Influence of Initiator Concentration on the Molecular Weight of Polystyrene

For Teachers 11th - Higher Ed
This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...
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Interactive
PhET

Beer's Law Lab

For Students 9th - Higher Ed Standards
Beer's Law can be used to measure the concentration of certain compounds in samples of food. In the concentration simulation, particpants change and measure the concentration of different solutions by manipulating various types of...
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Interactive
Chemistry Collective

Virtual Lab: Cola and Sucrose Concentration Problem

For Students 9th - Higher Ed
Recreate the secret Coca-Cola formula in a virtual lab. Young scholars create the solution and then calculate sucrose concentrations in terms of percent mass, molarity, molality, and mole fraction. Then using density, learners determine...
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Interactive
Chemistry Collective

Virtual Lab: Camping Problem III

For Students 9th - Higher Ed Standards
So, you've headed out into the wilderness and forgotten your camp stove? What's a chemist to do? Solutions may be the solution! Scholars use a virtual lab workbench to create solutions that would be capable of heating food, courtesy of a...
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Interactive
Chemistry Collective

Virtual Lab: Determining the pKa and Concentration Ratio of a Protein in Solution

For Students 9th - Higher Ed Standards
It's pretty common to determine the dissociation constant for an acid or a base ... but, what about a protein? Challenge your class with a virtual lab designed to further develop their acid-base chemistry skills. Individuals determine...
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Interactive
Chemistry Collective

Virtual Lab: Standardization of NaOH with a KHP solution: Acid Base Titration

For Students 9th - Higher Ed Standards
This is not your standard standardization lab! Take titration into the high-tech age with a simulated workbench. Learners perform titrations to standardize a sodium hydroxide solution using a KHP solution of unknown concentration....
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Interactive
Chemistry Collective

Virtual Lab: Making Stock Solutions from Solids

For Students 9th - Higher Ed
Combine a little solid and a little water and the solution is clear! An experimental lesson has individuals make calculations to create a sample solution of a given volume and molarity. They then create the solutions using a virtual lab...
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Interactive
Chemistry Collective

Virtual Lab: Determination of the pH Scale by the Method of Successive Dilutions

For Students 9th - Higher Ed Standards
Where did the pH scale come from? Take a deeper look at a most important measure of ion concentration using a simulated physical determination. Young chemists prepare a series of dilutions after determining a dilution factor for the...
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Interactive
Chemistry Collective

Virtual Lab: Cobalt Chloride and Le Chatelier’s Principle

For Students 9th - Higher Ed Standards
Colorful cobalt complexes make a great way to learn about Le Chatelier! Eager chemists explore equilibrium through a virtual lab. Individuals use solutions with two different concentrations and observe the color changes that indicate...
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Lesson Plan
LABScI

Enzymes: The Spit Lab

For Students 9th - 12th
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
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Interactive
Chemistry Collective

Virtual Lab: Creating a Buffer Solution

For Students 9th - Higher Ed Standards
Buffers don't just magically appear in the stockroom when you need them! Give learners a crash course in buffer basics using an interactive lab assignment. Individuals are tasked with creating a buffer with a certain pH that will react...
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Lesson Plan
Curated OER

Dilution and Concentration of Solutions

For Teachers 9th - 12th
Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...
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Lesson Plan
Curated OER

Using the Spectrophotometer to Analyze a Mixture

For Teachers 9th - 12th
General chemistry classes practice spectroscopy. They grasp the relationships between wavelength, absorbance, and solution concentration. Additionally, they gain valuable practice using laboratory equipment such as burets and pipettes....
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Lesson Plan
American Chemical Society

M&M's in Different Sugar Solutions

For Teachers 3rd - 8th
To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their own...
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Lesson Plan
LABScI

Freezing Point Depression: Why Don’t Oceans Freeze?

For Teachers 9th - 12th Standards
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
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Lesson Plan
Towson University

The Crucial Concentration

For Teachers 9th - 12th Standards
Which sports drink provides the best pick-me-up after the big game or grueling workout? It may not be the one you'd think! Food science is the focus in a surprising lab activity. Pupils use colorimetry to determine the amount of protein,...
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Lesson Plan
Florida International University

Are You Concentrating?

For Teachers 9th - 12th
Explore the importance of a concentration gradient in the rates of dissolution. Using the ocean ecosystem, learners study rates of dissolution around coral reefs. A hands-on experiment helps individuals discover the effects of changing a...
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Interactive
Chemistry Collective

Virtual Lab: Camping Problem II

For Students 9th - Higher Ed
What happens to the enthalpy of a reaction as the concentration of reactants varies? Learners explore this question with a virtual lab activity. They consider five different solutions of the same reactants and monitor the temperature...
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Interactive
Chemistry Collective

Virtual Lab: Weak Acid and Base Problems

For Students 9th - Higher Ed Standards
You'll feel strongly about this weak acid and base virtual lab! Scholars experiment with the wonders of dissociation constants in a simulated lab environment. The accompanying written work includes buffer preparation, titration curves,...
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Interactive
Chemistry Collective

Virtual Lab: Glucose Dilution Problem

For Students 9th - Higher Ed
There's no diluted learning here! Young chemists conduct a virtual lab exploration to practice their stoichiometry skills. By manipulating simulated solutions, they create a solution of a specific glucose molarity.