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Worksheet
Curated OER

Molar Mass and Percentage Composition

For Students 9th - 12th
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.
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Lab Resource
Pingry School

Determination of the Molar Mass of an Unknown Acid

For Students 9th - 12th Standards
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 document...
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Worksheet
Curated OER

Molar Mass of Butane

For Students 10th
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.
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Worksheet
Curated OER

Atomic Mass, Moles, and the Periodic Table

For Students 10th - 12th
In this periodic table worksheet, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.
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Worksheet
Curated OER

Mass-Moles-Particles

For Students 10th - Higher Ed
In this moles worksheet, students define a mole and convert grams to moles or moles to molecules. Students convert specific mass of compounds to moles. This worksheet has 1 true or false, 6 short answer, 3 fill in the blank, and 15...
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Worksheet
Curated OER

Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties

For Students 9th - 12th
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...
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Worksheet
Curated OER

Converting Mass to Amount

For Students 11th - 12th
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.
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Worksheet
Curated OER

The Ideal Gas law, Molar Mass and Density

For Students 9th - 12th
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,...
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Worksheet
Curated OER

Molecules, Moles and Molar Masses

For Students 9th - 12th
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...
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Worksheet
Curated OER

Molarity Worksheet

For Students 9th - 12th
Chemistry pros calculate mass, volume, concentration, or molarity of five different solutions. This tidy activity makes an appropriate homework assignment when studying molarity.
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Lesson Plan
Curated OER

Universal Gas Law

For Teachers 10th - Higher Ed
In this gas law worksheet, students use the Universal Gas Law and van der Waals equation to calculate volume and molar mass of gases. This worksheet has 6 problems to solve.
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Lab Resource
Pingry School

Determination of Molar Mass by Boiling Point Elevation

For Students 9th - 12th Standards
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...
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Worksheet
Curated OER

Molarity

For Students 10th - 11th
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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Lesson Plan
Curated OER

Chemistry Practice

For Teachers 10th - 11th
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
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Activity
Royal Society of Chemistry

Mass Changes in Chemical Reactions—Microscale Chemistry

For Teachers 6th - 10th Standards
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 differences in...
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Worksheet
Curated OER

Converting Amount to Mass

For Students 10th - 12th
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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Worksheet
Curated OER

What Can We Measure about Chemicals?

For Students 10th - 12th
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...
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Worksheet
Curated OER

Chemical Calculations and Chemical Formulas

For Students 11th - 12th
In this stoichiometry worksheet, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
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Worksheet
Curated OER

Article - "Designer Catalysts"

For Students 10th - 12th
In this catalyst activity, students define catalyst and enzyme and explain how these work in a chemical reaction. Students calculate molar mass of a compound. This activity has 7 short answer questions and 2 problems to solve.
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Worksheet
Curated OER

Formula or Molar Mass

For Students 10th - 11th
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.
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Handout
National Institute of Open Schooling

Mole Concept

For Students 7th - 12th Standards
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...
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Assessment
Curated OER

2001 U.S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
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...
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Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...

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