Classroom Resources: Quantitative Chemistry
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Concentration, Precipitate, Net Ionic Equation, Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis  High School
Lab: Finding CO<sub>2</sub> Mass in your Breath
In this lab, students will measure how much carbon dioxide they exhale by reacting their exhaled breath with lime water (calcium hydroxide).

Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis  High School
Activity: Sweet Stoichiometry Reactions
In this activity, students will use candy to investigate stoichiometry and molegram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.

Concentration, Acid Base Reactions, Molarity, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements, Indicators, pH  High School
Lab: Acid/Base Stoichiometry
In this lab, students experience a limiting reactant and can physically see the difference in amounts of product generated. They also see which reactant is in excess.

Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Scientific Method  High School
Lab: Limiting Reactants in Brownies
In this lesson, students will investigate the idea of limiting reactant using a brownie recipe.

Acid Base Reactions, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Chemical Change, Dimensional Analysis, pH, Error Analysis  High School
Lab: Limiting Reactant in a Balloon
In this lab, students perform a reaction between acetic acid and sodium bicarbonate and determine the amount of product formed and the limiting reactant.

Reduction, Percent Yield, Activity Series, Stoichiometry, Redox Reaction, Classification of Reactions, Mole Concept, Chemical Change, Dimensional Analysis, Measurements, Oxidation, Error Analysis  High School
Lab: Extracting Copper From Ore
In this lab, students extract copper from copper carbonate using two different methods, and then determine which industrial method is most effective.

Observations, Separating Mixtures, Chemical Change, Conservation of Mass, Lab Safety, Conservation of Matter, Balancing Equations, Percent Yield, Conservation of Mass, Classification of Reactions, Accuracy, Chemical Change, Chemical Properties, Conservation of Matter, Error Analysis  High School
Lab: Reactions of Copper
In this lab, students will convert copper metal into different copper compounds and then back to copper to illustrate conservation of matter.

Gas Laws, Concentration, Molarity, Electrolysis, Stoichiometry, Mole Concept, Dimensional Analysis, Ideal Gas, Electrons  High School
Lesson Plan: Stoichiometry Setup Method
In this lesson, students will learn how to follow a process of visual cues in combination with a stepbystep problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multistep calculations.

Balancing Equations, Stoichiometry, Dimensional Analysis  High School
Lesson Plan: Stoichiometry of Air Bags
In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN3) that must be used to inflate a vehicle air bag to the correct size. Followup practice problems are also provided.

Balancing Equations, Percent Yield, Stoichiometry, Classification of Reactions, Accuracy, Chemical Change, Dimensional Analysis, Measurements, Error Analysis  High School
Lab: Baking Soda Stoichiometry
In this lab, students will decompose baking soda and use stoichiometry to determine the proper balanced chemical equation of its decomposition.

Stoichiometry, Mole Concept, Dimensional Analysis  High School
Lesson Plan: How to do Stoichiometry Problems
In this lesson, students learn templates for performing stoichiometry problems. They then put the methods to the test with a practice worksheet.

Percent Yield, Stoichiometry, Limiting Reactant, Dimensional Analysis  High School
Activity: Cookie Stoichiometry
In this activity, students use a chocolate chip cookie recipe to answer questions related to stoichiometry, percent yield, and limiting reactants.

Interdisciplinary, Culminating Project, Balancing Equations, Combustion, Stoichiometry, Dimensional Analysis, Heat of Combustion  High School
Lesson Plan: Redesigning a Car for the Environment
Chemland’s city public transportation board has requested the class to help them determine the direction the city should move towards in reducing the carbon footprint. Students will be divided into groups and will come up with proposals of how to reduce the carbon footprint from carbon dioxide released from vehicles. The groups will represent different ways to reduce the carbon footprint via an alternative fuel source or a new technology. They will debate their findings to determine the direction that the city council should move towards to reduce the carbon footprint.

Balancing Equations, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Measurements  High School
Activity: S'more Stoichiometry
In this activity, students determine the number of graham crackers and chocolate pieces required to complete a “reaction” with a given quantity of marshmallows (the limiting reactant). They then use the same thought process with a problem involving a real chemical reaction.

Concentration, Molarity, Balancing Equations, Stoichiometry, Mole Concept, Dimensional Analysis, Saturated/Unsaturated/Supersaturated  High School
Lab: KoolAid
In this lab, students calculate grams of KoolAid powder required to make 3 different solutions of KoolAid (using the molar mass of sugar) with the following concentrations: 0.2 M, 0.5 M, and 1.0 M. Determine the concentration of properly prepared KoolAid through a taste test.

Mixtures, Concentration, Solute & Solvent, Molarity, Mole Concept, Dimensional Analysis, Measurements  High School
Lab: Molarity of a Solution
In this lab, students calculate concentrations of and perform dilutions of KoolAid and juice solutions.

Concentration, Molarity, Mole Concept  High School
Demonstration: What Is a 1 Molar Solution?
In this demonstration, students will determine the molarity of several different solutions demonstrated by the teacher.

Concentration, Solute & Solvent, Molarity, Stoichiometry, Mole Concept, Dimensional Analysis, Tyndall Effect  High School
Activity: Solubility & Solutions
In this inquiry activity, students investigate types of solutions, identifying the solute and solvent, and classifying each solution. They them solve stoichiometry problems involving solutions of different concentrations.

Chemical Change, Reaction Rate, Catalysts, Balancing Equations, Percent Yield, Stoichiometry, Chemical Change, Dimensional Analysis, Measurements, Scientific Method, Error Analysis, Experimental Design, Error Analysis  High School
Lesson Plan: Catalysis & Catalytic Converters
In this lesson students will be introduced to catalysts while expanding their knowledge of chemical reactions and stoichiometry. They will first learn about catalytic converters and then be challenged to create the best “catalytic converter” of hydrogen peroxide to oxygen gas in an inquirybased activity.

Percent Composition, Percent Composition, Mole Concept, Dimensional Analysis  High School
Lab: Percent Composition of Bubble Gum
In this lab, students will be introduced to the concept of percent composition. Students will determine the amount of sweetener in various brands of gum by determining the mass difference of the gum before and after it is chewed.

Molecular Formula, Law of Definite Proportions, Stoichiometry, Classification of Reactions, Mole Concept, Dimensional Analysis  High School
Lab: Finding the Formula of Magnesium Oxide
In this lab, students will recognize that oxygen has mass and that heating can involve and increase in mass as an element reacts to become an oxide

Density, Physical Properties, Measurements, Significant Figures, Scientific Method, Graphing, Error Analysis, Experimental Design, Error Analysis  High School
Lab: Investigating the Density of an Irregular Solid Object
In this lab, students will use common laboratory equipment to devise a method to measure the density of several irregular objects. They will then create a formal laboratory report using both their own data and data from the entire class.

Observations, Density, Physical Properties, Interdisciplinary, Measurements, Graphing, Error Analysis, Error Analysis  High School
Lab: Graphing Density
In this lab, students will collect data and then use graphing to determine the density values of unknown metal samples.

Observations, Density, Inferences, Identifying an Unknown, Measurements, Scientific Method, Error Analysis  High School
Lab: Colors of the Rainbow
In this lab, students will practice density calculations and put their calculations to test by creating their own density column.

Density, Review, Accuracy, Dimensional Analysis, Measurements, Accuracy, Experimental Design, Error Analysis  High School, Middle School
Lab: Bowling Ball—Will it Sink or Float in Water?
In this lab, students will find the density of a bowling ball to determine whether it will sink or float in water.