Working with Moles

General chemistry class members engage in a mini-unit on mole conversions. Through nine lab activites with varying degrees of difficulty, they practice measuring mass and volume, molar calculations, and stoichiometry. Terrific...

Lead your class on an exploration as they locate the center of mass in several oddly shaped two-dimensional objects they create from their imaginations. Pupils also determine the location of the center of mass in three-dimensional...

What can you call a tooth in a glass of water? A one-molar solution! Presentation covers moles, Avogadro's Number, calculating formula mass, converting moles to grams, converting grams to moles, and calculations with moles. It is...

Only three slides comprise this collection. The first defines molecular weight and molar mass. The second lists the molar mass and number of particles in a mole of several substances. The third is a chart depicting a chemical reaction...

Sal introduces chemistry students to the concept of "moles." He points out that a mole is number that helps a student to translate between grams and atomic mass units of any substance. Sal uses the element Aluminum to illustrate this...

Enhance your current chemistry curriculum with a short video that demonstrates how to calculate the molar mass of a compound. There is also instruction for conversion between moles and mass, outlined in simple steps and demonstrated in a...

Video tutorial presents an introduction to the concept of a mole as a number. [9:43]

Who was Lorenzo Romano Amedeo Carlo Avogadro? He was the guy who suggested that equal volumes of gases at the same temperature and pressure should contain equal numbers of molecules. This eventually led to a new quantity for the number...

From a chapter on Linear Momentum and Collisions in a Physics textbook. This section of the chapter discusses collisions in two dimensions, what point masses are, how to calculate the conservation of momentum, what happens when two...

One mole of a substance is equal to 6.022- 10^23 units of that substance (such as atoms, molecules, or ions). The number 6.022- 10^23 is known as Avogadro's number or Avogadro's constant. The mole can be used to convert between atomic...