Molar Mass Teacher Resources

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All units and significant figures should be used correctly as part of this check on molar mass calculations.  These word problems range in complexity and present the missing variable in different ways. Your young scientists might enjoy this different approach to chemistry calculations.
In this chemical compounds worksheet, students write the name of the compounds from their chemical formula and determine the molar masses to the nearest g/mol. This worksheet has 16 problems to solve.
For this molar mass worksheet, students determine the molar masses of the 10 chemical compounds given. This worksheet also has answers.
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Sal continues his explanation of The Ideal Gas Equation in this chemistry video. He sets up a different problem from the previous video, and uses the ideal gas equation to calculate the molar mass of a 98 ml container that contains .081 grams of a substance at standard pressure and temperature.
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.
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 given temperatures and pressures.
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 completing this as homework.
In this elements worksheet, students practice converting a given amount of an element to the mass using its molar mass. This worksheet has 12 problems to solve.
In this periodic table worksheet, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.
Only three slides comprise this collection. The first defines molecular weight and molar mass. The second lists the molar mass and number of particles in a mole of several substances. The third is a chart depicting a chemical reaction both graphically and with chemical equations. Together, they make a nice, neat presentation that you can use to prepare beginning chemists to start learning about stoichiometry.
Young scholars determine the molar mass of a gas. In this molar mass of a gas lesson plan, students use the vapor density of an organic solvent to determine its molar mass. They vaporize the solvent and collect the vapor. Once it is cooled they can mass the vapor and use the universal gas equation to find the molar mass.
This lab sheet gives a detailed procedure for your class to find the mass of Butane.  There is a complete guide for calculations, data analysis, and conclusion.
In this chemical compounds worksheet, students calculate the molar masses and the percentage composition for the given compounds. This worksheet has 8 problems to solve.
Young scientists find the molar mass of compounds and masses of certain molar amounts. The questions increase in difficulty, and require learners to manipulate the provided figures in order to calculate moles for certain gram amounts. A straight-forward question sheet that would work as a practice at any time throughout a chemistry unit.
For this molecules worksheet, learners calculate the mass or volume of a certain number of moles of a compound. There are 3 difficulty levels of this worksheet, each one has 6 problems to solve.
In 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, density, molar mass and volume of gases.
One of the more comprehensive of the many periodic table applications, this one comes with a molar mass calculator, graph views, and the ability to arrange elements in the order of your choice of properties. Full of fabulous features, it is well worth the cost!
Students apply the ideal gas law and Dalton's Law of Partial Pressure to develop an experiment which determine the molar mass of butane from disposable lighters. In small groups, they develop a procedure and have it approved before performing the experiment.
General chemistry class members engage in a mini-unit on mole conversions. Through nine lab activites with varying degrees of difficulty, they practice measuring mass and volume, molar calculations, and stoichiometry. Terrific teacher notes give tips for mentoring minors through the lessons. Suggestions are made for options, community connections, and more. This is a comprehensive resource complete with lab sheets.

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