Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment...

Here is a general chemistry worksheet that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in class by...

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...

For 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.

For this ideal gas law, molar mass and density worksheet, students read about how the molar mass and density of a gas can be determined from the ideal gas law. They solve five problems using the ideal gas law to find the pressure,...

In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...

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...

In this molarity instructional activity, students determine the concentration or molarity for each of the solutions. Students manipulate the molarity formula to calculate the moles, mass, or volume of each problem.

What better way is there to introduce conservation of mass than a few simple experiments? Young chemists conduct two chemical reactions, take the masses of reactants and products, then compare their results to determine...

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...

In this stoichiometry worksheet, learners calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.

Here is a straightforward practice test for first year chemistry learners. Responders balance equations, identify types of reactions, represent electron configurations, and solve stoichiometry problems. Keep this handy to use as...

Where does the pop in pop rocks come from? An engaging activity asks scholars to measure the amount of carbon dioxide in a package of Pop Rocks candy. Learners dissolve the candy in water and use the solubility of CO2 to determine its mass.

For this gas law worksheet, students review the Idea Gas Law equation and practice applying the equation to chemical reactions. Students write the balanced reaction, determine the limiting reagent, moles produced, and volume of gas...

In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...

In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances. 

In this formulas worksheet, students solve eight problems and are required to write the empirical and molecular formulas given percentage of elements or quantities in mass.

Twelve questions about the various calculations of mass and yield are given here.  There is significant practice of molarity calculations and consideration of the reactant and product balance.

In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.

In 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...

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...

In this solutions worksheet, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This worksheet has 15 problems to solve.

In this molarity worksheet, students are given the equation to find moles per liter of solution. They solve ten problems finding molarity of solutions, moles needed to make particular molar solutions and mass needed to make particular...

In this extracting oxygen from moon rocks worksheet, students read about the need for oxygen for lunar colonists. Students solve 2 problems about the lunar mineral ilmenite which contains oxygen and other elements. They find the molar...