Florida International University
Are You Concentrating?
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...
Teach Engineering
Concentrate This! Sugar or Salt...
Heat up your lessons on boiling points. The resource provides a three-part activity: first, groups find the boiling point of solutions; second, they create boiling point curves for salt and sugar solutions; and third, they mix a solution...
Perkins School for the Blind
Mixtures and Solutions
Mixtures and solutions are different; one can be separated fairly easily and the other cannot. This hands-on experiment was written specifically for learners with visual impairments or blindness. They will use lemonade and trail mix to...
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...
Science Geek
Properties of Solutions
Study the properties of solutions as they relate to mixtures. The slide show presents the key concepts involved with solutions including solvents, solutes, solubility, and electrolytes. Scholars learn the basics of the properties of...
Virginia Department of Education
The Colligative Properties of Solutions
How can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of...
Curated OER
Finding Concentration
In this determining concentration worksheet, learners are given the equations to find the concentration of a solution in grams per milliliter, to determine the concentration in parts per million, to determine percent mass and percent...
Curated OER
Concentration of Solutions
For this solutions worksheet, students determine how the amount of solute in a given amount of solvent effects the concentration of the solution. Students calculate the molarity of solutions. This worksheet has 7 fill in the blank, 3...
Curated OER
Solutions
For this solutions worksheet, students solve twelve problems including calculating products made in reactions, determining limiting reagents, calculating molarity of solutions, determining percent composition, and finding volumes and...
Curated OER
Review of Chemical Solutions
In this chemistry review worksheet, students answer 50 multiple choice questions on solutions. They identify different types of solutions and ways to express concentration.
Curated OER
Vocabulary - Solutions
In this solutions worksheet, high schoolers use textbooks and dictionaries to find the definitions of 22 terms associated with solutions.
Curated OER
Hydrogen Peroxide Analysis
A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...
Curated OER
The Visible Spectroscopy Expert Witness Problem
In a simulated crime science investigation, chemistry or physics sleuths use spectroscopy to analyze solutions. The lesson gives learners practice making salicylate solutions, using spectrophotometers, calculating dilution amounts,...
Curated OER
Using the Spectrophotometer to Analyze a Mixture
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....
Curated OER
Everyone Has Problems, but Chemists Have Solutions
Young scholars observe molar solutions being prepared and gain an understanding of concentration. In this solutions lesson plan, students observe a solution of drink mix being prepared parallel to a solution of salt water. Young scholars...
Curated OER
The Effect of Concentration Changes on Equilibrium
In this concentration changes and equilibrium learning exercise, students experiment with iron (III) ions and thiocyanate ions to observe the effects of concentration on the equilibrium of solutions. Students make observations of their...
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
Making Standard Solutions
In this making standard solutions worksheet, students read about the process of making a standard solution and perform 3 background calculations necessary to make standard solutions. Students then make a solution by weighing a given...
Curated OER
Concentration Practice
In this concentration worksheet, high schoolers find the percent volume of a compound in a solution and the molality of a solution. They determine the percent mass of a compound in a solution and they determine the mole fraction of water...
Curated OER
Solution Shapes
In this solutions worksheet, learners soak a pipe cleaner in hot water and a supersaturated solution of 20 Mule Team Borax. Students leave their pipe cleaner in the solution for 30 minutes and then observe. They put it back in over night...
Curated OER
AP Chemistry-Solution Chemistry Practice Problems
In this solutions worksheet, students solve fifteen problems including finding molar concentrations, writing net ionic equations, determining molarity of solutions, identifying oxidized and reduced agents and finding mass percent of...
Curated OER
The Final Solution
Students distinguish between concentration, labor and death camps, describe conditions in concentration camps, read and discuss Night, by Elie Wiesel, and describe methods Nazis used to disguise true purpose of death camps and...
Curated OER
How Strong is the Solution
Students investigate the strength of solutions. In this scientific inquiry lesson plan, students examine various solutions of food color and water as they discover the concentration of the solutions by adding bleach to clear the color.
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...