October 23rd marks Mole Day in the United States. Chemistry classes and chemistry enthusiasts celebrate this unofficial holiday with activities, cakes and jokes galore. Here’s what you need to know.

Everything GCSE CCEA students need to know about how to use the moles of a solute dissolved in a solution and moles of a gas to carry out calculations.

Schools around the country will be eating pie-a-la-mole and guaca-mole on Monday to celebrate National Mole Day. In honor of the number -- 6.022E23 -- used to calculate the mass of atoms, students ...