Classroom Resources: Solutions
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Precipitate, Solubility, Solubility Rules, Net Ionic Equation, Balancing Equations, Chemical Change, Predicting Products, Chemical Bond, Intramolecular Forces, Intermolecular Forces, Ionic Bonding, Chemical Change, Physical Change | High School
Lesson Plan: Inquiry Introduction to Precipitation Reactions Mark as Favorite (2 Favorites)
In this lesson, students will work with a partner through a guided inquiry activity that will introduce, teach, and “solidify” the concept of precipitation reactions. In this multi-part lesson, students will review chemical and physical changes, identify spectator ions, perform small-scale precipitation reactions, view simulation-based heavy metal precipitation reactions, and identify a likely precipitate when combining two solutions. Students will also be introduced to writing net ionic equations.
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Precipitate, Solubility, Solubility Rules, Molecules & Bonding, Ionic Bonding, Naming Compounds | High School
Game: Precipitation Reactions Game Mark as Favorite (18 Favorites)
In this game, students explore the concepts of solubility and precipitation reactions. The game contains three difficulty levels – introductory, standard, and mastery. Bonus questions include naming compounds and identifying spectator ions.
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Concentration, Solute & Solvent, Solubility | High School
Demonstration: Saturated Solutions: An Engagement Activity Mark as Favorite (21 Favorites)
In this demonstration, students will observe salt dissolving in water and participate in a think-pair-share activity using teacher-led questions. It is intended to be an introduction to solutions, particularly saturation.
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Freezing Point, Solubility, Solute & Solvent, Phase Changes, Freezing Point Depression, Physical Change, Physical Properties | Elementary School, Middle School
Lesson Plan: Salting Roads in Winter Mark as Favorite (3 Favorites)
In this lesson, students investigate how the freezing point of water changes when salt is added. Many students know that water freezes at 0°C, and many believe that all substances freeze at 0°C. The investigations in this lesson help students understand why salt is spread on roads in cold and snowy conditions.
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Physical Properties, Covalent Bonding, Electronegativity, Polarity, Molecular Geometry, Intermolecular Forces, Solubility | Middle School, High School
Activity: The Chemistry of Water Video Questions Mark as Favorite (48 Favorites)
In this activity, students will watch a video and answer questions about how the molecular geometry and polarity of water give rise to many of its unusual physical properties, including its relatively high boiling point and its ability to dissolve some substances but not others.
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Precipitate, Solubility, Solubility Rules, Ionic Bonding, Naming Compounds | High School
Activity: Game Activity: Precipitation Reactions Game Mark as Favorite (16 Favorites)
In this game, students will explore the concepts of solubility and precipitation reactions. The game contains three difficulty levels – introductory, standard, and mastery – in which students will have to fulfill specific victory conditions for a series of scenarios. Victory conditions include selecting compounds to form a particular precipitate, using the proper ratio of reactants, and correctly identifying what precipitate will form from a collection of ions using a solubility chart. Bonus questions include naming compounds and identifying spectator ions.
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Equilibrium Constants, Le Châtelier's Principle, Gibb's Free Energy , Enthalpy, Entropy, Solubility | High School
Lesson Plan: Relationship Between Free Energy and the Equilibrium Constant Mark as Favorite (17 Favorites)
In this lesson, students will explore the relationships between solubility and Keq (specifically Ksp), as well as Keq and ΔG°. First, a guided inquiry activity will introduce the relationship between standard free energy and equilibrium constant with the equation ΔG° = -RTlnKeq. Then data collection regarding solubility of potassium nitrate at various temperatures will lead to the calculation of Ksp and ΔGo for the dissolution reaction at those temperatures. Students will manipulate the equations ΔG° = -RTlnKeq and ΔG° = ΔH° - TΔS° to derive a linear relationship between 1/T and lnKeq, which will then be graphed to determine values for ΔH° and ΔS°.
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Solubility, Conductivity, Concentration, Equilibrium Constants, Stoichiometry | High School
Lab: Experimental Determination of the Solubility Product Constant for Calcium Hydroxide Mark as Favorite (3 Favorites)
In this lab, students will predict and measure the relationship between the conductivity of a solution of calcium hydroxide and the mass of substance added to it. From the relationship, students will determine solubility and Ksp of calcium hydroxide. Ksp will be calculated using the molar concentration of ions in the solution and the equilibrium expression for the dissociation of calcium hydroxide.
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Intermolecular Forces, Mixtures, Intermolecular Forces, Colligative Properties, Freezing Point Depression, Solubility, Polarity, Phase Changes, Freezing Point, Density, Mixtures, Physical Properties | High School
Lesson Plan: Fuel Line Antifreeze Mark as Favorite (14 Favorites)
In this lesson students will explore the role of a gasoline additive, fuel line antifreeze (generally methanol or 2‑propanol), in reducing the potential of water to block fuel lines in freezing weather. Students will prepare test tube models of water-contaminated fuel tanks and explore the effect of adding different types of fuel line antifreeze. This lesson can be used to bolster concepts about miscibility, density, intermolecular forces, phase changes (freezing), and colligative properties (freezing point depression).
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Limiting Reactant, Percent Yield, Stoichiometry, Balancing Equations, Net Ionic Equation, Concentration, Molarity, Precipitate, Solubility, Dimensional Analysis, Mole Concept, Observations, Graphing, Separating Mixtures, Identifying an Unknown | High School
Lab: White Lab Mark as Favorite (55 Favorites)
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.
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Intermolecular Forces, Solubility, Intermolecular Forces, Intramolecular Forces, Polarity, Lewis Structures, Molecular Structure, Solute & Solvent, Mixtures, Melting Point, Freezing Point, Boiling Point, Physical Properties, Graphing, Mixtures | High School
Lab: Physical Properties (High School) Mark as Favorite (29 Favorites)
In this lesson, students investigate how intermolecular forces effect physical properties by investigating substances’ melting points as well as solubility.
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Net Ionic Equation, Chemical Change, Solubility Rules, Solubility, Precipitate, Balancing Equations, Chemical Change | High School
Lab: Ions in Aqueous Solution Presentation Mark as Favorite (34 Favorites)
In this lab, students will mix ionic solutions to determine what combinations form precipitates.
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Buffers, Solubility, Molecular Structure | High School
Lab: Aspirin Tablets: Are they all the Same? Mark as Favorite (55 Favorites)
In this lab, students will design an experiment to test the time and completeness of dissolution of various types of aspirin in different pH environments.
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Ionic Bonding, Naming Compounds, Molecular Formula, Ions, Ionic Radius, Solubility, Melting Point, Physical Properties | High School
Activity: Ionic Bonding Brackets Mark as Favorite (62 Favorites)
In this lesson, students will demonstrate their knowledge of ionic bond strength and its relationship to the properties of melting point and solubility using a “brackets” activity. After analyzing the ionic charge and radius to predict the strongest and weakest bond between four pairs of ionic substances, they will then determine which will be the least soluble.
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Chemistry Basics, Identifying an Unknown, Solubility, States of Matter, Melting Point, Phase Changes, Acids & Bases, pH, Strong vs Weak, Observations, Molecular Motion | High School
Activity: Simulation Activity: Identifying Unknowns with Safety Data Sheets Mark as Favorite (17 Favorites)
In this activity, students will use a simulation to learn about some of the sections of a safety data sheet (SDS) and how the information on SDSs can be used not only for safety purposes but also for identifying unknowns. Specifically, students will use “Section 9: Physical and Chemical Properties” to distinguish between two or three substances with similar appearances in a variety of lab-based scenarios. Particle diagrams are also included to help students visualize the substances’ behavior on a particulate level.
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Chemistry Basics, Identifying an Unknown, Solubility, States of Matter, Melting Point, Phase Changes | High School
Simulation: Safety Data Sheets Mark as Favorite (11 Favorites)
Students learn about sections of a safety data sheet (SDS) and how the information can be used for safety purposes and for identifying unknowns. They will use the Physical and Chemical Properties section and particle diagrams to distinguish between substances with similar appearances in a variety of lab-based scenarios.
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Precipitate, Solubility, Solubility Rules, Predicting Products | High School
Lesson Plan: Investigating Precipitate Formation Mark as Favorite (27 Favorites)
In this lesson, students will learn about lead and the contamination of drinking water. Through collaboration, students will then consider strategies for decontaminating water, and have the opportunity to perform small-scale precipitation reactions as a method of extracting metal ions from a water sample. Finally, students can conduct research and reflect on their experience to propose a possible solution for decontaminating drinking water.
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Solubility, Saturated/Unsaturated/Supersaturated, Mixtures, Reaction Rate | High School
Lab: Rate of Solution Mark as Favorite (22 Favorites)
In this lab, students observe how particle size, solvent temperature, and agitation affect rate of solution.
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Solubility, Solute & Solvent, Molecular Motion, Phase Changes, Reaction Rate | Elementary School
Lesson Plan: Particles in Motion Mark as Favorite (1 Favorite)
In this lesson, students learn that particles that make up matter are in constant motion.
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Solubility, Solute & Solvent, Molarity, Solubility Rules, Net Ionic Equation, Intermolecular Forces, Beer's Law | High School
Lesson Plan: Aqueous Solutions Unit Plan Mark as Favorite (60 Favorites)
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.
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Solubility, Solute & Solvent, Intermolecular Forces, Covalent Bonding, Polarity, Intermolecular Forces | High School
Activity: T-Shirt Chromatography Mark as Favorite (46 Favorites)
In this activity, students will learn about solubility, saturation, polarity, and intermolecular forces through chromatography techniques.
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Concentration, Solute & Solvent, Mixtures, Solubility, Percent Composition | Middle School
Lab: The Perfect Kool-Aid Concentration Mark as Favorite (11 Favorites)
In this lab, the students will investigate how the concentration of a solution affects its properties such as color and taste.
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Mixtures, Separating Mixtures, Solubility, Physical Change, Phase Changes | Middle School
Lab: A Solution to Your Mix-up Mark as Favorite (4 Favorites)
In this lab, students will perform a step by step process of mixing and separating substances based on their states and solubility in order to solve a problem.
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Density, Mixtures, Solubility | Middle School
Lab: Investigating Density within Lava Lamps Mark as Favorite (9 Favorites)
In this lab students will make a simple yet spectacular lava lamp while focusing on the density of the components.
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Solubility, Solute & Solvent, Mixtures, Intermolecular Forces, Intermolecular Forces, Polarity, Molecular Geometry | Elementary School, Middle School, High School
Animation: Solubility Animation Mark as Favorite (83 Favorites)
This animation explores how ionic and molecular compounds dissolve (or don’t) in water. Students will see that if an ionic compound such as salt dissolves, the ions dissociate, whereas the molecules in a molecular compound such as sugar remain intact but are separated from one another by water molecules. They will also see that some ionic compounds such as chalk do not dissolve, and the cations and anions remain stuck together. **This video has no audio**