Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section deals with the molar mass of gas mixtures. Applications of Dalton's law are also...

The General Chemistry Virtual Textbook, or Chem 1, is broken into several sections covering various aspects of topics related to chemistry. This section covers a variety of topics related to moles, including molecular weight and density...

In this lab experiment students are asked to determine the standard molar enthalpy of formation of magnesium oxide, MgO. Students are asked to use Hess's Law and the enthalpy changes of several other solution reactions during this...

An introduction to the mole, a unit of measurement that quantifies atoms and molecules.

[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.

This site deals with Amedeo Avogadro, his life, his contributions to chemistry, and his famous number.

This chemistry tutorial helps students understand that formula mass is the total of all the atomic masses of a chemical formula.

Heat is defined and explained; the concept of heat is related to the kinetic motion of particles and to temperature. Heat capacity and specific heat are explained. Sensible heat is compared to latent heat; reference is made to the heat...