Curated OER
Atomic Mass, Moles, and the Periodic Table
In this periodic table instructional activity, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.
Curated OER
Aqueous Acids and Bases - Titration
For this titration worksheet, students determine the moles of product plus the molarity of the solution created. This worksheet has 6 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students practice calculating moles, molarity, and the concentration of a solution in molarity. This worksheet has 12 multiple choice questions and 3 problems to solve.
Curated OER
Universal Gas Law
In this gas law worksheet, young scholars use the Universal Gas Law and van der Waals equation to calculate volume and molar mass of gases. This worksheet has 6 problems to solve.
Pingry School
Determination of Molar Mass by Boiling Point Elevation
Francis Raoult discovered the change in boiling points of solutions varies by the number of particles in the solution. Scholars apply the concept to determine the molality of a solution based on the change in boiling point. They use an...
Curated OER
Formula or Molar Mass
In this learning exercise about molar mass, students find the molar mass or formula for 10 chemical compounds. This learning exercise is printable and the answers are not available.
Curated OER
Acids, Bases and Salts
In this acids, bases and salts learning exercise, students solve five problems in order to determine the molarity of solutions or the volume of substances to be added to make molar solutions. They also solve five dilution problems about...
Curated OER
Everyone Has Problems, but Chemists Have Solutions
Students observe molar solutions being prepared and gain an understanding of concentration. For this solutions lesson plan, students observe a solution of drink mix being prepared parallel to a solution of salt water. Students gain an...
Curated OER
Reactions in Aqueous Solutions
In this solutions instructional activity, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This instructional activity has 15 problems to solve.
Curated OER
Converting Mass to Amount
In this mass worksheet, students determine the number of moles from a given molar mass and volume being sure that they use the correct conversion factors. This worksheet has 12 problems to solve.
Curated OER
AP Chemistry-Solution Chemistry Practice Problems
In this solutions activity, 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
Stoichiometry
In this stoichiometry learning exercise, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This learning exercise has 18 word problems.
Curated OER
Solutions
In this solutions learning exercise, students solve twelve problems including calculating products made in reactions, determining limiting reagents, calculating molarity of solutions, determining percent composition, and finding volumes...
Curated OER
Chapter 10: Chemical Calculations and Chemical Equations
In this chemical equations worksheet, students write and balance chemical reactions. They complete 98 short answer and problem solving questions on molarity and chemical equations.
Curated OER
Acids/Bases and Buffers
In this acids, bases and buffers activity, students define terms, solve problems such as calculating the pH of solutions and the molarity of solutions and they write balanced equations of neutralization reactions.
Curated OER
Solutions and Solubility Review
In this solutions and solubility review learning exercise, students are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations....
Curated OER
What Can We Measure about Chemicals?
In this measuring chemicals worksheet, students determine the accuracy and precision of measurements and distinguish between the two. They find the percent composition of compounds, the molar mass of compounds and the volume of gases at...
Curated OER
Chemical Calculations and Chemical Formulas
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Curated OER
Solutions Review
For this solutions worksheet, students review the properties of solutions, the polarity of molecules, molarity, and solubility curves. This worksheet has 8 short answer questions and 15 problems to solve.
Curated OER
Article - "Designer Catalysts"
In this catalyst worksheet, students define catalyst and enzyme and explain how these work in a chemical reaction. Students calculate molar mass of a compound. This worksheet has 7 short answer questions and 2 problems to solve.
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
Virginia Department of Education
Solution Concentrations
What happens when you combine 6.022 times 10 to the 23 piles of dirt into one? You make a mountain out of a mole hill. Scholars use dehydration to obtain percent composition and then calculate the molarity of the original solution.
National Institute of Open Schooling
Mole Concept
Learners explore atomic measurement in the first activity in a series of 36. Through readings, activities, and questions, classes review standard SI units, learn about Avogadro's constant, and use it to help them calculate moles. They...
Santa Monica College
Titration of Vinegar
Titration calculations require concentration. The 10th lesson in an 11-part series challenges young chemists to use titration in order to determine the molarity and mass percent in concentrated vinegar. Analysis questions encourage...
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