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 ...

A mole refers to the number of particles you have ... Without her, I never would have known that there were so many unique careers that involve chemistry. Make sure to check out all of her interviews ...

To calculate the mass of a higher number of moles, or even calculate the number of moles in a certain mass, a formula triangle can be used. Using the formula triangle is straightforward.

The gram formula mass (GFM) of a substance is known as the mass of one mole. Relative atomic masses of selected elements can be found in the SQA Data Booklet.These can be used to calculate the ...