The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...

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 formulas worksheet, students review how to write compounds in their empirical formula and molecular formula. Then students complete 4 problems.

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

Students conduct an oxidation experiment in which they must determine how much hydrogen peroxide (H2O2) is actually in a store-bought solution of H2O2.

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...

Learners find moles and molecules used when a candle burns. In this moles and molecules lesson plan, students calculate the initial mass of a candle and the mass of a candle after it burns for 3 minutes. They calculate the mass lost when...

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.

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...

Scientists require specific chemical solutions for their experiments. In the seventh and final installment in a series that integrates chemistry and algebra II, scholars learn to set up a system of equations to solve the volume of a...

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...

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 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...

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 chemical calculations worksheet, students fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry problems...

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

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

In this chemistry activity, students write the balanced equation for the reaction and rearrange the potassium expression to solve for x. Then they determine how many grams of silver chromatic can dissolve in a specified amount of sodium...

This worksheet focuses on writing equilibrium constants. Young scholars work to determine the direction of reactions, concentrations of different substances, and equilibrium constants.

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 molarity worksheet, students 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...