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...

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.

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.

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...

Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...

In this molarity learning exercise, students apply the definition of molarity to the given balanced equations. This learning exercise has 4 problems to solve.

In this ideal gas law worksheet, students complete 8 problem solving questions to find pressure, volume and temperature of given gases.

In this gas law worksheet, students learn how Graham's law governs the diffusion of gases. Students calculate the velocity and effusion rate of gases at certain temperatures. This worksheet has 6 problems to solve.

Try not to blind anyone with science by following the safety rules. The lesson encourages scholars to form an ionic compound from magnesium and chlorine. Then they determine the empirical formula and determine the mole ratio and percent...

Wow! This comprehensive collection of slides will walk your chemistry class through the foundation of chemical reactions, teach them to balance equations, differentiate types of reactions, and calculate stoichiometry problems. This...

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...

In this extracting oxygen from moon rocks learning exercise, 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...

Students review key words used in stoichiometry such as mole, molar mass, Avogadro's number, and mass - mole relationships. They participate in a series of small experiments to explore solving stoichiometry problems in the laboratory.

In this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...

Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long. 

High schoolers complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.

For this chemical solutions worksheet, students determine the molecular weight of a substance, determine the boiling and freezing point of solutions, and determine molarity of a solution. This worksheet has 3 problems to solve.

In this concentration worksheet, learners determine the molality, mole fraction, and the percent by mass for the given solution. This worksheet has five problems to solve.

In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...

For this chemistry calculations review worksheet, high schoolers solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.

In this molarity worksheet, pupils are given balanced equations and they are to calculate the mass or volume of reactants and products. Students calculate the theoretical, percentage, and actual yield for chemical equations. This...

For this molarity worksheet, learners calculate the molarity of 13 different molecules. Students also determine the concentration of given solutions. This worksheet has 19 word problems.

Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...

More than 80,000 scholars earned college credit for Chemistry with the AP exam in 2015. The College Board released the free-response questions covering topics, including moles, that often confuse scholars. They also released example...