Science Geek
The Mole
What can you call a tooth in a glass of water? A one-molar solution! Presentation covers moles, Avogadro's Number, calculating formula mass, converting moles to grams, converting grams to moles, and calculations with moles. It is...
Curated OER
Relative Mass Formula, Atomic Formula, and Empirical Formula
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
Curated OER
Chemical Compounds
In this compounds worksheet, young scholars practice balancing equations, determine formula mass, and calculate number of moles for given compounds. This worksheet has 7 fill in the blank and 3 problems to solve.
Curated OER
Moles
In this moles worksheet, students review solubility, moles of solute, molar mass, and colligative properties. This worksheet has 10multiple choice questions and 11 problems to solve.
Curated OER
Molecular Mass and Percent Composition
In this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...
Curated OER
Determining Percent Composition
In this percent composition activity, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
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Formula Mass
In this formula mass worksheet, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.
Curated OER
Working with Moles
In this moles instructional activity, students read about mass, formula mass and moles. They calculate the masses of given numbers of moles of compounds and they calculate the number of moles of given masses of compounds.
Curated OER
Redox Titration Problems Involving Manganate
In this titration instructional activity, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This instructional activity...
Curated OER
Behavior and Properties of Gases
Pupils convert Celsius to Kelvin temperature. Students conduct three lab experiments, gas law simulations using Internet applets, lectures and demonstrations. The Laws included are Boyle's, Charles, Combined Gas, Ideal Gas, and Gram's...
Science Education Resource Center at Carleton College
Serc: Mass Spectrometry: Using a Game Format to Develop Logic Skills
Students will use previous knowledge of chemistry concepts and skills to interpret mass spectrometry graphs and will learn to determine one or more possible formulas for an organic molecule represented on the graph. They will also gain...