# Classroom Resources: Solutions

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1 – 25 of 27 Classroom Resources

• 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.

• Concentration, Solute & Solvent, 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 step-by-step animated process demonstrating this procedure.

• Concentration, Solute & Solvent, 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 step-by-step 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, Acid & Base Theories, Titrations, Indicators, Strong vs Weak, 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 Kool-Aid 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 set-up 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.

• Chemical Change, Concentration, Acid Base Reactions, Molarity, Chemical Change, Indicators, Acid Rain, pH, Equivalence Point | 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, Acid Base Reactions, Molarity, Measurements, Titrations, Indicators, Strong vs Weak, pH, Equivalence Point | High School

### Lab: Acid Base Reactions

In this lab, students will witness a reaction between an acid and base. One will be strong, and the other may be weak or strong--it's up to them to determine.

• Chemical Change, Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Limiting Reactant, Chemical Change, Measurements, Titrations, Indicators, Graphing, Equivalence Point, Error Analysis, Error Analysis | High School

### Lab: Acid-Base Mole Ratio

In this lab, students study several concepts, including acid-base reactions, limiting reactants, and stoichiometry, by observing the contained reaction of acetic acid (diluted vinegar) with sodium hydrogen carbonate (baking soda) in an unconventional, cost effective titration.

• Chemical Change, Concentration, Acid Base Reactions, Molarity, Balancing Equations, Stoichiometry, Dimensional Analysis, Measurements, Titrations, Indicators, 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.

• Concentration, Acid Base Reactions, Molarity, Titrations, Indicators, Equivalence Point | High School

### Lab: Lethal Dose

In this lab, students will perform several titrations to calculate the concentration of potentially “lethal” medicycloprophic solutions.

• Interdisciplinary, Concentration, Acid Base Reactions, Molarity, Titrations, Indicators | High School

### Lab: Calculating Acid in Lemon-Lime Soda

In this lab, students will investigate the molarity of citric acid in a clear, lemon-lime flavored soft drink through titrations with 0.10M NaOH and an indicator.

• Chemical Change, Reaction Rate, Acid Base Reactions, Molarity, Titrations, Indicators, Order of Reaction , Salts, Equivalence Point, Error Analysis | 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, Molarity, Stoichiometry, Limiting Reactant, Chemical Change, Calorimetry, Heat, Temperature, Exothermic & Endothermic, 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 2-M 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.

• Acid Base Reactions, Molarity, Net Ionic Equation, Mole Concept, Dimensional Analysis, Measurements, Heat of Neutralization, Calorimetry, Specific Heat, Temperature, Exothermic & Endothermic, Bond Energy | High School

### Lab: Heat of Neutralization

In this lab, students carry out an acid base reaction to calculate the heat of neutralization.

• Concentration, Molarity, Percent Yield, Stoichiometry, Classification of Reactions, Limiting Reactant, Mole Concept, Chemical Change, Dimensional Analysis | High School

### Demonstration: First Day Review

In this demonstration, students see evidence of a chemical reaction.

• 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, 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.

• Gas Laws, Concentration, Molarity, Electrolysis, Stoichiometry, Mole Concept, Dimensional Analysis, Ideal Gas, Electrons | High School

### Lesson Plan: Stoichiometry Set-up Method

In this lesson, students will learn how to follow a process of visual cues in combination with a step-by-step problem solving method for different types of stoichiometric problems. This method can be particularly beneficial for students who struggle with completing multi-step calculations.

• Concentration, Molarity, Balancing Equations, Stoichiometry, Mole Concept, Dimensional Analysis, Saturated/Unsaturated/Supersaturated | High School

### Lab: Kool-Aid

In this lab, students calculate grams of Kool-Aid powder required to make 3 different solutions of Kool-Aid (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 Kool-Aid 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 Kool-Aid 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.