eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Chemical Calculations and Equations: Study Guide [Pdf]

For Students 9th - 10th
Use this study guide to help review information about chemical calculations and chemical equations. Study everything from equation stoichiometry to molarity of substances.
eBook
Crescent Public Schools

The Internet Science Room: Formula Mass Calculations

For Students 9th - 10th
This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.
Activity
Educaplus (Jesús Peñas Cano)

Educaplus: Calculador De Masas Molares [In Spanish]

For Students 9th - 10th
Calculate the molar mass and the centesimal composition of chemical substances with this interactive calculator.
Unit Plan
Sophia Learning

Sophia: Molality Calculations

For Students 9th - 10th
This lesson demonstrates how to calculate molality.
Activity
Texas Instruments

Texas Instruments: Acidity Worksheet

For Teachers 9th - 10th
Students will use acidity to calculate molarity using this TI-InterActive worksheet.
eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Relating Mass to Number of Particles: Audio Book

For Students 9th - 10th
This slide and audio book shows how to relate mass to a number of particles by using many formulas, examples, and real life scenarios. View the weighted average calculations, Avogadro's number, the atomic mass of carbon, and molar mass.
Interactive
CK-12 Foundation

Ck 12: Chemistry Simulation: Mole Carnival

For Students 9th - 10th
[Free Registration/Login Required] In the mole carnival, students count the number of atoms and particles in different objects found at the carnival. As students work to find the number of particles, they practice counting particles by...
eBook
Chiral Publishing

Chiral Publishing: An Introduction to Chemistry: Chemical Calculations and Chemical Equations [Pdf]

For Students 9th - 10th
This chapter on chemical calculations and equations focuses on equation stoichiometry. Learn how to convert masses, use limiting reactants, and calculate the molarity of a solution.
Unit Plan
Georgia Department of Education

Ga Virtual Learning: Ap Chemistry: Stoichiometry

For Students 9th - 10th
Students apply new knowledge of the elements to name and write chemical formulas, write and balance chemical equations, and perform mathematical calculations about the relationships between those chemicals, using a fundamental unit in...
Unit Plan
CK-12 Foundation

Ck 12: Solution Concentration

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students will calculate the concentration of solutions in units of molarity, and use molarity to calculate the dilutions of solutions.
Unit Plan
CK-12 Foundation

Ck 12: Percent Composition and Empirical & Molecular Formulas

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...
Unit Plan
CK-12 Foundation

Ck 12: Gas Mixtures and Molecular Speeds

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The following online tutorial helps students use Dalton's Law and mole fraction to calculate the partial pressure of a gas in a mixture. They will learn to calculate...
Unit Plan
CK-12 Foundation

Ck 12: The Mole Concept

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will identify three methods for measuring the amount of matter in a sample. They will define the mole and its relationship...
Unit Plan
CK-12 Foundation

Ck 12: Ideal Gases and Gas Stoichiometry

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn the Ideal Gas Law, and know which of the different values for the ideal gas constant to use in a given...
Activity
Chemistry Collective

Chem Collective: Cola and Sucrose Concentration Problem

For Students 9th - 10th
In this activity, students use the virtual lab to prepare a sucrose solution for a soda recipe. They next calculate the concentration of their solution in terms of molarity, percent mass and density. Finally, they compare the density of...
Unit Plan
CK-12 Foundation

Ck 12: Solubility Equilibrium

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students write the solubility product constant expressions for nearly insoluble ionic compounds and perform calculations for compounds and solubility.
Activity
Chemistry Collective

Chem Collective: Creating a Stock Solution

For Students 9th - 10th
In this activity, students use the virtual lab to create dilute solutions from a concentrated stock solution of acids or bases. They must first calculate the correct volumes of concentrated acid solution and water to mix together to...
Interactive
Chemistry Collective

Chem Collective: Glucose Dilution Problem

For Students 9th - 10th
In this activity, students use the virtual lab to create a 0.025M glucose solution from a standard 1M glucose solution. First, they calculate the correct volumes of 1M glucose solution and water to mix together to create the final 0.025M...
Activity
Chemistry Collective

Chem Collective: Acid Dilution Problem

For Teachers 9th - 10th
In this activity, students use the virtual lab to create 500mL of 3M HCl solution from a concentrated stock solution of 11.6M HCl. They must first calculate the correct volumes of 11.6M HCl solution and water to mix together to create...
Interactive
Chemistry Collective

Chem Collective: Making Stock Solutions From Solids

For Students 9th - 10th
In this activity, students use the virtual lab to create stock solutions starting from solid salts. Students must first calculate the correct amount of solid to make the solution. Next, they prepare the solution using the appropriate...
Activity
Texas Instruments

Texas Instruments: Designing Hot and Cold Packs

For Teachers 9th - 10th
in this activity, students calculate the molar enthalpy of dissolving for three ionic solids, and use this information to design a cold pack. In this experiment they measure the heat changes which occur from various salts dissolving in...
Activity
Texas Instruments

Texas Instruments: Titration Experiment

For Teachers 9th - 10th
This activity is a fast and safe microscale experiment which allows students to quickly determine the molarity of three weak acids (vinegar, soda, and citric acid). Since the process involves a monoprotic, diprotic, and a triprotic acid,...
Activity
Texas Instruments

Texas Instruments: Cell Sheet App

For Teachers 9th - 10th
Students use the CellSheet App to enter data and text in cells, create cell formulas and use built-in functions. Student explore the utility of this App in science classes, such as Chemistry and Biology. They calculate the molarity of a...
eBook
Crescent Public Schools

The Internet Science Room: P H and the P H Scale

For Students 9th - 10th
A chemistry tutorial which explains pH and the pH scale. There are also opportunities for students to do some calculation practice.