Chem Tutor
Chem Tutor: Concentration
An overall summary of the major units of the concentration of a solution, including normality.
Khan Academy
Khan Academy: Molarity vs. Molality
Learn how molarity and molality differ. The molality of a solution is equal to the moles of solute divided by the mass of solvent in kilograms, while the molarity of a solution is equal to the moles of solute divided by the volume of...
Khan Academy
Khan Academy: Molarity, Molality, Osmolarity, Osmolality, and Tonicity What's the Difference?
See how each of these terms tells us something different about a solution.
Other
Molarity Practice Worksheet [Pdf]
A worksheet with molarity practice problems accompanied by their solutions.
Clackamas Community College
Clackamas Community College: Normality
A brief explanation of Normality.
Sophia Learning
Sophia: Molality: Lesson 2
This lesson introduces molality as a unit of concentration. Distinguish from molarity as a unit.
Sophia Learning
Sophia: Molarity: Lesson 1
This lesson introduces molarity and explains what units are used to label solutions of various concentrations. It is 1 of 3 in the series titled "Molarity."
ClassFlow
Class Flow: Solubility and Solution
[Free Registration/Login Required] This flipchart explains the concepts of solubility, saturated, unsaturated, supersaturated, the factors affecting solubility, and molarity concentration calculations.
ClassFlow
Class Flow: The Chemistry of Solutions
[Free Registration/Login Required] This flipchart covers the high school chemistry concept of solutions, types of solutions, solution concentration, molarity, percent concentration, Henry's law, solubility, and solubility curve.
ClassFlow
Class Flow: Acid Base Titration
[Free Registration/Login Required] Determination of the Molarity of an Acid or Base Solution.
Environmental Chemistry
Environmental chemistry.com: Molar Mass Calculations
Provides a definition for both mole and molar mass and gives a step-by-step example problem to work through that shows how to compute molar mass. Also has a a molar mass calculator in which you can practice problems on.
Science Struck
Science Struck: Molarity Formula
Explains what molarity is and how to calculate it using the molarity formula.
Cosmo Learning
Cosmo Learning: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course teaches periodic table, chemical bonds, molecular shape, phase changes, chemical reactions, stoichiometry,...