Mole Definition: a chemical mass unit, defined to be 6.022 x 1023molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. Examples: 1 mole of NH3 has 6.022 x 1023molecules and weighs about 17 grams. read more
The mole is related to the mass of an element in the following way: one mole of carbon-12 atoms has 6.02214179 × 1023 atoms and a mass of 12 grams. In comparison, one mole of oxygen consists, by definition, of the same number of atoms as carbon-12, but it has a mass of 16 grams. read more
Mole Definition: a chemical mass unit, defined to be 6.022 x 1023molecules, atoms, or some other unit. The mass of a mole is the gram formula mass of a substance. Examples: 1 mole of NH3 has 6.022 x 1023molecules and weighs about 17 grams. 1 mole of copper has 6.022 x 1023atoms and weighs about 63.54 grams. read more
Mole definition is - a pigmented spot, mark, or small permanent protuberance on the human body; especially : nevus. How to use mole in a sentence. read more