A mole is a SI base unit of measurement. This is a definition of unit, its value, and example problems using the mole in chemistry.
Daily Archives: June 25, 2014
June 26 is Paul Niggli’s birthday. Niggli was a Swiss mineralogist and pioneer of x-ray crystallography. X-rays were discovered by Wilhelm Roentgen in 1895, but weren’t recognized as electromagnetic radiation until 1912. Based on their energy, if they were light, their wavelength would have to be on the order of […]