This number--called a mole--is a basic measuring unit in chemistry. Mole Day typically falls during National Chemistry Week. Students develop a new method of counting objects, called the PCU, and ...

Molarity is the concentration of a solution in terms of the number of moles of the solute in 1 dm 3 (1 liter) of the solution. What are the units of molarity? The units of molarity are M or mol/L. A 1 ...

This video is about the mole, the unit of measurement for the number of particles in a substance. The mole is the unit for amount of substance. The number of particles in a substance can be found ...

This video is about the mole, the unit of measurement for the number of particles in a substance. The mole is the unit for amount of substance. The number of particles in a substance can be found ...