Chemistry Collective
Virtual Lab: Creating a Buffer Solution
Buffers don't just magically appear in the stockroom when you need them! Give learners a crash course in buffer basics using an interactive lab assignment. Individuals are tasked with creating a buffer with a certain pH that will react...
Chemistry Collective
Virtual Lab: DNA - Dye Binding: Equilibrium and Buffer Solutions
Your class is bound to be fascinated by this virtual lab! Young biochemists explore molecules that bind to specific sites on the DNA molecule through a skillful simulation. The lesson challenges learners to create a DNA-bound solution...
Curated OER
The Action of A Buffer Solution
In this buffer solution worksheet, students experiment with the addition of different solutions to a buffer solution and observe the changes in pH using a pH probe. Students describe the differences among the addition of pure water and...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
Curated OER
Investigating Buffers
Students investigate buffers and their behaviors when used with acids and bases. For this buffers lesson plan, students use a pH meter and create buffered acidic and basic solutions. To each of the buffered solutions students add strong...
Biology Junction
Water, Solutions, pH, and Buffers
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Curated OER
Buffers
In this chemistry learning exercise, students calculate the pH, moles and pH of buffering solutions to complete 6 problems. They determine the volume of solution needed to prepare a certain buffer.
Curated OER
Buffers
In this buffers worksheet, students calculate the pH of buffer solutions and compare the pH after solutions are added together. This worksheet has 6 problems to solve.
Curated OER
Acids, Bases, and Buffers
In this acids and bases instructional activity, learners test the pH of different solutions to determine if it is basic or acidic. Students complete 7 short answer questions based on their results.
National Institute of Open Schooling
Ionic Equilibrium
Scientific studies show the older we get, the more acidic we become. The activity extensively teaches high schoolers about acids and bases. By the end of the 14th installment of 36, they can define and explain three concepts of...
Curated OER
WS 10.10 Salts and Buffers
In this salts and buffers activity, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
Chemistry Collective
Virtual Lab: Determining the pKa and Concentration Ratio of a Protein in Solution
It's pretty common to determine the dissociation constant for an acid or a base ... but, what about a protein? Challenge your class with a virtual lab designed to further develop their acid-base chemistry skills. Individuals determine...
Curated OER
Solutions
In this solutions worksheet, students determine at what pH aspartic acid would be protonated. Students create buffer solutions with a certain pH and determine the solubility in certain solutions. This worksheet has 8 problems to solve.
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
Buffer Solution Problems
For this buffers worksheet, students calculate the pH of a buffer solution and calculate the mass of a compound necessary to prepare a buffer solution with a specific pH. This worksheet has 8 problems to solve.
Curated OER
Acids and Bases Worksheet
In this acid and base worksheet, students solve three problems. They calculate pH and equilibrium concentrations, they determine what is needed to prepare a proper buffer solution and they answer questions about a titration.
Curated OER
Towers of the Lost City
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the...
Curated OER
Buffers
For this buffers worksheet, students identify the systems that could function as a buffer solution. Students determine the pH of a solution and the pH of the buffer. This worksheet has 6 problems to solve.
Curated OER
Solutions
In this solutions worksheet, students determine the pH or molar solubility of different solutions. Students state is the mixture given forms a buffer. This worksheet has 20 problems to solve.
Curated OER
Chemistry Worksheet 4
In this chemistry worksheet, students determine the pH of a buffer solution to several problems given. Students write a balanced ionic equation for several aqueous solutions.
Curated OER
Acid Base
For this acid and base worksheet, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This worksheet has 16 multiple choice questions and 3 problems to solve.
Curated OER
Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, students write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Students calculate the pH of a buffer solution. This worksheet has 14...
Curated OER
DNA Extraction
Students discover the basic structure of DNA and its function in living organisms by conducting an experiment in which they extract DNA from bananas using a lysis buffer solution.
Curated OER
Acids/Bases and Buffers
In this acids, bases and buffers worksheet, students define terms, solve problems such as calculating the pH of solutions and the molarity of solutions and they write balanced equations of neutralization reactions.