Beyond Benign
Reactions Lab
You're bound to get a reaction from your classes with this experiment! Scholars perform several chemical reactions, make observations, and classify the reactions as single replacement, double replacement, composition, or decomposition...
Beyond Benign
Solubility
Enhance your class' ability to understand solubility. Science scholars examine how temperature and concentration affect solubility using an interesting lab experiment. The introduction and procedure also discuss the relationship between...
College Board
2014 AP® Chemistry Free-Response Questions
More than half of AP Chemistry test takers earn a high enough score to get college credit. Improve that statistic by using past test questions including precipitate, molarity, and chemical equations to prepare for a future exam. The...
Howard Hughes Medical Institute
Ocean Acidification
Human impacts on the environment can sometimes be difficult to measure, especially under water! An activity centered on ocean acidification gives science scholars the opportunity to examine the effects of carbon dioxide on marine life....
Chemistry Collective
Virtual Lab: Unknown Silver Chloride
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...
Chemistry Collective
Virtual Lab: Unknown Acid and Base Problem
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...
Chemistry Collective
Virtual Lab: Camping Problem III
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...
Chemistry Collective
Virtual Lab: Cola and Sucrose Concentration Problem
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...
Chemistry Collective
Virtual Lab: Acid Dilution Problem
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...
Royal Society of Chemistry
Mass Concentration of Solutions
Ready to teach your class about molar mass and solution concentration? Make time for an interactive resource that will challenge their reasoning and problem-solving skills. Science scholars calculate the molarity of several solutions...
Royal Society of Chemistry
Concentration of Solutions 1
Need a fun solution to teaching ... solutions? A series of puzzles provides reinforcement to key molarity terms and calculations. Science scholars determine the concentration of several solutions before using the information to solve...
Royal Society of Chemistry
Concentration of Solutions 2
Challenging and interactive—everything you need in a resource! Chemistry scholars manipulate a series of puzzles focused on molarity. The teacher's guide provides support for implementing the lesson, as well as printable materials.
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
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...
Virginia Department of Education
Equilibrium and Le Chatelier’s Principle
The best part of learning about equilibrium is that nothing changes. Young chemists observe four demonstrations during this lesson: equilibrium in a saturated solution, equilibrium with an acid-base indicator, equilibrium with cobalt...
Curated OER
Acid Base Neutralization
In this neutralization worksheet, students determine the concentration of solution if neutralized by a certain amount of another solution. This worksheet has 7 problems to solve.
Curated OER
Review of Chemical Solutions
In this chemistry review activity, students answer 50 multiple choice questions on solutions. They identify different types of solutions and ways to express concentration.
Curated OER
Chemical Calculations
For this elements worksheet, students use the relative atomic masses of given elements to calculate the relative formula mass. Students calculate the mass of compounds from given number of moles and determine the number of moles from a...
Curated OER
Does Size Matter?
Young scholars explore chemical solutions. In this chemistry lesson, students investigate the relationship between three related experiments about solutions. Young scholars determine variables that affect the chemical concentration of...
Curated OER
Dilutions
In this dilutions worksheet, students determine the molarity of given solutions and calculate the volume necessary to dilute a solution to a specific molarity. This worksheet has 5 problems to solve.
Curated OER
Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Serial Dilution of CuSO4 and Changing the Value of Paint
High schoolers relate solution concentration and saturation to color and compare methods of changing value and color intensity with paint solutions.