Classroom Resources: Solutions
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Concentration, Molarity, Measurements, Significant Figures, Beer's Law  High School
Lab: Investigating Shades of Blue
In this lab investigation, students will create a copper(II) nitrate solution. Each group will be given a different measurement device in order to see how the accuracy of the preparation of the solution is affected by the limitations of the measurement device. The goal is for students to have a true understanding of why significant figures are important.

Solubility, Intermolecular Forces, Molarity  High School
Activity: Solutions Escape Room
In this activity, students will review concepts covered in a solutions unit. They will complete problems in order to determine codes that will allow them to advance through stages of a Google Form, which is set up as an escape room. This activity is designed to be used at the end of a unit, or as an alternate to an exam, particularly in a virtual environment.

Solute & Solvent, Concentration, Molarity  High School
Simulation: Preparing Solutions
In this simulation, students will complete a calculation in order to
determine either the molarity of solution, volume of solution, or mass of solute needed. Additionally the associated particle diagram for the solution will be displayed to help students better visualize the solution at the particulate level. Finally, students will gain familiarity with the proper lab techniques for preparing a solution as they are lead through a stepbystep animated process demonstrating this procedure. 
Solute & Solvent, Concentration, Molarity  High School
Activity: Simulation Activity: Preparing Solutions
In this simulation, students will complete a calculation in order to determine the value of an unknown variable related to a described solution and then they will observe an animation of the solution being prepared. The calculation will require the student to determine either the molarity of solution, volume of solution, or mass of solute needed. Additionally the associated particle diagram for the solution will be displayed to help students better visualize the solution at the particulate level. Finally, students will gain familiarity with the proper lab techniques for preparing a solution as they are lead through a stepbystep animated process demonstrating this procedure. The simulation is designed as a five question quiz for students to use multiple times.

Concentration, Identifying an Unknown, Molarity, Balancing Equations, Classification of Reactions, Chemical Change  High School
Lab: An Environmental Impact Study
In this lab, students will test a water sample which comes from a local zoo, where, it is reported that many bird eggs are not hatching. Students will test the water for the presence of multiple ions. Once the type of ion in the water is determined, students will write balanced equations to illustrate their findings. Students will also conduct a serial dilution to determine the concentration, or molarity, of the ion in the water sample. This molarity will be compared to known values to determine if the materials in the water are at an unhealthy level.

Concentration, Molarity, Net Ionic Equation, Titrations, Indicators, Strong vs Weak, Acid & Base Theories, Buffers  High School
Lesson Plan: Acids and Bases Unit Plan
The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach the topic of acids and bases to your students.

Solubility, Solute & Solvent, Intermolecular Forces, Molarity, Net Ionic Equation, Solubility Rules, Beer's Law  High School
Lesson Plan: Aqueous Solutions Unit Plan
The AACT high school classroom resource library and multimedia collection has everything you need to put together a unit plan for your classroom: lessons, activities, labs, projects, videos, simulations, and animations. We constructed a unit plan using AACT resources that is designed to teach Aqueous Solutions to your students.

Concentration, Molarity  High School
Activity: Particle Level Molarity
In this activity, students are introduced to molarity at the particle level. Students will activate their prior knowledge by demonstrating their understanding of concentration by preparing several KoolAid drinks, and then applying that information at the particle level to various models.

Concentration, Molarity, Titrations, Indicators  High School
Demonstration: How to Perform a Titration
In this demonstration, the teacher will show how a titration is setup and performed. Also, the teacher will utilize different indicators to show how they work and why they are necessary. At the end of the demonstration, the teacher will also explain how to calculate the molarity of the unknown substance.

Concentration, Molarity, Beer's Law  High School
Lab: Beer's Law Discovered
In this laboratory investigation, students will explore the concepts of light absorption, transmittance, and the relationship between absorbance, path length, and concentration of solution.

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.

Observations, Separating Mixtures, Solubility, Concentration, Precipitate, Identifying an Unknown, Molarity, Net Ionic Equation, Balancing Equations, Percent Yield, Stoichiometry, Limiting Reactant, Mole Concept, Dimensional Analysis, Graphing  High School
Lab: White Lab
In this lab, students use molarity concepts to review limiting reactant concepts mathematically, conceptually, and graphically. They can then carry out a follow up investigation to identify an unknown using concepts learned in the first investigation.

Concentration, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Exothermic & Endothermic, Calorimetry, Heat, Temperature, Scientific Method, Enthalpy, Experimental Design  High School
Lab: Less Than Zero
In this lab, students will investigate the endothermic reaction between baking soda and HCl. Students will consider stoichiometric ratios, molar concentrations, reaction scale, and calorimetry. The lab starts with a scripted reaction that uses given molar ratios, a glass beaker, and 2M HCl. They will witness a temperature drop of about 5 to 8 C. Students then adjust the experiment so they can achieve a temperature drop of more than 20 C.

Concentration, Molarity, Titrations, Indicators, Acid Base Reactions, Equivalence Point  High School
Lab: Lethal Dose
In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

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.

Concentration, Chemical Change, Molarity, Balancing Equations, Stoichiometry, Titrations, Indicators, Dimensional Analysis, Measurements, Acid Base Reactions, Error Analysis  High School
Lab: Vinegar Quality Control
In this lab, students will perform a titration of a vinegar sample to determine if it is it close to the concentration claimed on the bottle.

Chemical Change, Reaction Rate, Molarity, Titrations, Indicators, Acid Base Reactions, Order of Reaction , Salts, Error Analysis, Equivalence Point  High School
Lab: Titration Lab with Kinetics
In this lab, students calculate the molarity of an unknown using a titration and also by solving for a dilution.

Concentration, Interdisciplinary, Review, Identifying an Unknown, Culminating Project, Molarity, Balancing Equations, Stoichiometry, Classification of Reactions, Scientific Method, Experimental Design  High School
Lab: The Culminating Unknown
In this lab, students identify an unknown from a list of 12 possible compounds by designing a procedure and using evidence to prove their claim. They must draw from knowledge gained throughout the year to properly develop a procedure to identify the unknown.

Gas Laws, Concentration, Molarity, Stoichiometry, Electrolysis, 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.

Molarity, Net Ionic Equation, Exothermic & Endothermic, Heat of Neutralization, Calorimetry, Specific Heat, Temperature, Mole Concept, Dimensional Analysis, Measurements, Acid Base Reactions, Bond Energy  High School
Lab: Heat of Neutralization
In this lab, students carry out an acid base reaction to calculate the heat of neutralization.

Solute & Solvent, Concentration, 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.

Concentration, Chemical Change, Molarity, Chemical Change, Indicators, Acid Rain, Acid Base Reactions, Equivalence Point, pH  High School
Lab: Seeing the Effects of Acid Rain
In this lesson, students will prepare an environment and make acid rain to see how the acid rain effects the items in the environment.

Concentration, Molarity, Percent Yield, Stoichiometry, Classification of Reactions, Limiting Reactant, Chemical Change, Mole Concept, Dimensional Analysis  High School
Demonstration: First Day Review
In this demonstration, students see evidence of a chemical reaction.

Concentration, Interdisciplinary, Molarity, Titrations, Indicators, Acid Base Reactions  High School
Lab: Calculating Acid in LemonLime Soda
In this lab, students will investigate the molarity of citric acid in a clear, lemonlime flavored soft drink through titrations with 0.10M NaOH and an indicator.

Concentration, Molarity, Stoichiometry, Limiting Reactant, Indicators, Mole Concept, Dimensional Analysis, Measurements, Acid Base Reactions, 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.