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: 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: 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: 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...
Interactive
CK-12 Foundation

Ck 12: Plix Series: Gas Density: Mass, Volume and the Mole

For Students 9th - 10th
[Free Registration/Login Required] Find out what mathematical function should be performed in order to move from mass to moles and back again. After the activity, answer one multiple choice, challenge question about the topic.
Activity
Michael Blaber, PhD

Florida State Univ.: Stoichiometry: Chemical Formulas and Equations

For Students 9th - 10th
Determining empirical formula from analytical data, and determing molecular formula from empirical formula, with flow charts and sample calculations.
Handout
Towson University

Towson University: Determining Formulae

For Students 9th - 10th
Explanation of how to calculate empirical and molecular formulas.
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.
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...
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.
Interactive
CK-12 Foundation

Ck 12: Plix Series: Gas Density: Mass, Volume and the Mole

For Students 9th - 10th
[Free Registration/Login Required] Find out what mathematical function to perform when converting between particles and moles. Then answer one challenge question about the topic.
Activity
Texas Instruments

Texas Instruments: Conductimetric Titration & Gravimetric Determination

For Teachers 9th - 10th
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the...