Curated OER
Determining the Molar Mass of a Gas
Students 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...
Curated OER
Molar Mass of Butane
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.
Curated OER
The Mathematics of Chemical Formulas
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...
Curated OER
Relating Moles to Coefficients of a Chemical Equation
Young scholars investigate the coefficients in a chemical equation and their relation to moles. In this moles and coefficients lesson plan, students perform a single replacement reaction of copper (II) sulfate and zinc and find the ratio...
Curated OER
Converting Mass to Amount
In this mass learning exercise, students determine the number of moles from a given molar mass and volume being sure that they use the correct conversion factors. This learning exercise has 12 problems to solve.
Curated OER
The Ideal Gas law, Molar Mass and Density
In this ideal gas law, molar mass and density worksheet, high schoolers 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,...
Curated OER
Molecules, Moles and Molar Masses
In this molecules, moles and molar masses instructional activity, 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...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
The Molar Volume of a Gas
Learners find the standard molar volume of a gas. In this molar volume of a gas lesson plan, students react magnesium metal and hydrochloric acid and collect the hydrogen gas produced using a gas collection tube. Learners calculate the...
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Chemical Quantities
Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...
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...
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Molarity
In this molarity worksheet, 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.
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Converting Amount to Mass
In this elements activity, students practice converting a given amount of an element to the mass using its molar mass. This activity has 12 problems to solve.
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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...
University of Georgia
Using Freezing-Point Depression to Find Molecular Weight
Explore the mathematical relationship between a solvent and solute. Learners use technology to measure the cooling patterns of a solvent with varying concentrations of solute. Through an analysis of the data, pupils realize that the rate...
Curated OER
Formula or Molar Mass
In this activity about molar mass, learners find the molar mass or formula for 10 chemical compounds. This activity is printable and the answers are not available.
Curated OER
Empirical Formula
Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...
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Mining an Ore
Learners investigate how to determine the percent composition of a mineral in an ore. In this mining an ore lesson plan, students use chocolate chips cookies to represent an ore and they remove precious minerals (the chocolate chips)...
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Chemistry Lab-Molar Volume of Gas
Students determine the molar volume of hydrogen gas. In this molar volume lesson plan, students find the molar volume of hydrogen produced in a reaction between magnesium and hydrochloric acid. They use a eudiometer to measure the volume...
Curated OER
Gas Laws
In this gas worksheet, students calculate molar mass and molecular weight of a given mass of gas at a specific temperature and pressure. Students calculate partial pressure of given gases. This worksheet has 6 word problems.
Curated OER
Holy Moley!
In this chemistry worksheet, students calculate to find the molar mass of water. Then they identify how many moles of hydrogen atoms and oxygen atoms they would have in a beaker. Students also write the chemical formula of cholesterol.
Curated OER
Moles, Molecules and Molecular Mass
In this moles, molecules and molecular mass worksheet, students solve 18 problems where they find the number of moles in a gas, they calculate the number of molecules in a sample of gas or they find the volume of gas in a sample given...
Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles worksheet students complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds worksheet, students determine the empirical and molecular formulas for given compounds. This worksheet has 10 problems to solve.