Curated OER
Concentration Practice
In this concentration worksheet, high schoolers find the percent volume of a compound in a solution and the molality of a solution. They determine the percent mass of a compound in a solution and they determine the mole fraction of water...
Curated OER
Moles, Moles, Moles
Students investigate moles and measure out a mole by mass and volume. In this mole lesson plan, students observe demonstrations of quantities of substances that measure 1 mole. Students use a solid aluminum block and ruler to measure the...
Curated OER
Chapter 19 Review, Mixed Review: Oxidation-Reduction Reactions
Here is a short, but well-rounded review of redox reactions. Chemistry apprentices identify the type of reaction, write half-reaction equations, balance equations, and assign oxidation numbers. Being brief, this would make a purposeful...
Curated OER
Solutions
In this solutions activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This activity has 2 short answer questions and 9 problems to...
Curated OER
Concentration Practice
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.
Curated OER
Partial Pressures and the Kinetic Molecular Theory of Gases
For this chemistry worksheet, students complete 5 problems on Dalton's Laws of partial pressures. They calculate the mole of gases and their rate of effusion.
Curated OER
Moles, Molarity, Grams, and Formula Units
In this atoms worksheet, learners calculate the number of moles, molarity, grams, or formula units for 20 different problems.
Chemistry Collective
Virtual Lab: Cola and Sucrose Concentration Problem
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 determine...
Curated OER
Partial Pressure and the Kinetic Molecular Theory of Gases
In this pressure and kinetic theory worksheet, students review Dalton's Law of Partial Pressure, the Kinetic Molecular Theory of Gases, and Graham's Law of Effusion. Students then solve 5 problems using these equations.
Curated OER
Chemistry Quiz 4-Redox Reactions
In this oxidation/ reduction worksheet, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing agents and...
Curated OER
Finding the Percent of Iron in Lawnsand
For this percent of iron in lawnsand worksheet, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find the mass of...
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
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
Curated OER
M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
Curated OER
Teaching Avogadro's Number
High schoolers design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
Curated OER
Concentrations of Solutions
Students solve problems involving the molarity of a solution. In this solutions lesson students calculate the molarity and mole fraction of a solution and solve problems involving mass and volume.
Curated OER
The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
Curated OER
I Have the Solution!
Students explain how to make solutions with specific concentration. In this chemistry instructional activity, students differentiate acids and bases. They calculate molarity of solutions.
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
Curated OER
Redox Titration Problems Involving Manganate
In this titration worksheet, 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 worksheet has 7 problems to solve.
Curated OER
Compounds and Elements Word Chop Worksheet
In this compound/element worksheet, students find pieces of words that have been "chopped in half," put them back together and write them on provided lines.
Curated OER
Determination of An Acid Dissociation
In this chemistry worksheet, learners examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Practice Sheet: Colligative Properties
In this colligative properties worksheet, students solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.