Curated OER
Limiting Reactant Problems
In this chemical reaction activity, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This activity has 6 problems to solve.
Curated OER
Limiting Reactant
Chemistry classes learn the importance of a limiting reactant by first considering a cake recipe. Given the recipe and the total amount available for each ingredient, they must calculate how many cakes can be made. Finally, they apply...
Curated OER
Excess Reactant
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
PhET
Reactants, Products and Leftovers
Did you know when you mix the reactants sulfur, tungsten, and silver, you get the products SWAg? The simulation begins with making sandwiches, to show pupils reactants and products of something familiar. They then can make water,...
Curated OER
Limiting Reactant-Theoretical Yield and Percent Yield
In this limiting reactant worksheet, students solve four problems to identify the theoretical yield and percent yield given an equation. They also calculate the limiting reactant.
Curated OER
Visualizing the Limiting Reactant
In this chemical equation activity, students determine the limiting reactant and the excess reactant for the given reactions. This activity has 10 problems to solve.
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problems
Time to test the limits! Young scientists make limiting reagent calculations and test their math using a virtual lab simulation. Using their knowledge of ionic compounds, they determine the limiting reagents and the excess compounds.
Curated OER
Vocabulary - Stoichiometry
In this stoichiometry worksheet, students write in the definition for the 6 terms associated with stoichiometry including actual yield, percent yield, and limiting reactant.
Beyond Benign
A Green(er) Redox Reaction
Do some experimentation with reduction-oxidation! Stoichiometry superstars use a single-replacement reaction to study limiting reactant, theoretical yield, and the reactivity of metals through a lab activity. The teacher's guide includes...
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problem II
Textbook problems with a twist! Young chemists analyze an ionic reaction to identify the limiting reagent. They then make calculations to determine the concentration of unknown solutions. Finally, they put their work to the test and...
Curated OER
WS 4.4 Stoichiometry
In this stoichiometry instructional activity, students are given four chemical reactions and they find quantities of products made, limiting reactants, excess reactants, and percent yield of products.
Curated OER
Gas Stoichiometry Practice Sheet
In this gas stoichiometry worksheet, students determine the volume of gases in 4 problems given the temperature, the pressure, and the masses of the reactants. They find the limiting reactant in one problem at STP.
Curated OER
Stoichiometry Lessons
Students are introduced to stoichiometric relationships in chemical equations with a Trail Mix activity before performing a lab to reinforce stoichiometry. Students complete the unit with a lab about limiting reactants in chemical...
Curated OER
Limiting Reactant Exercise
For this chemistry worksheet, students write the balanced equation for the problem at the top of the sheet. Then they determine which reactant is the limiting reactant and which one is in excess. Students also explain the procedures for...
Curated OER
Additional Stoichiometry Review Problems
In this stoichiometry worksheet, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This worksheet has 25 problems to solve.
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Curated OER
Limiting Reagent Practice Problems
In this limiting reagents worksheet, students solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting reagents.
Curated OER
Stoichiometry Worksheet
On this stoichiometry instructional activity high schoolers will be balancing chemical equations. After the equations are balanced, students will be conducting calculations to solve for grams, moles, and limiting reactants.
Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Curated OER
WS 4.4 Stoichiometry Part 2
Four balanced chemical equations are presented for your pupils to analyze. They identify limiting reagents and use dimensional analysis to compute products. This practical worksheet is one that you will want to keep in your repertoire to...
Chemistry Collective
Virtual Lab: Unknown Concentration of DNA Solution Problem
Highlight DNA solution with fluorescent dyes! Scholars use dye to determine the concentration of a DNA solution. As the dyes bind with the DNA solution, learners make conclusions about the limiting reactants.
Curated OER
Limiting Reactant
In this chemistry worksheets, students calculate the amount of reactants and products are produced by the given equations. Students also calculate the number of moles as well as the mass of the given compounds.
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...