Atoms per Mass

Calculates the number of atoms in a certain mass of a chemical element. Enter mass, unit and element. The number is put out in scientific notation (ten to the power of), as numeral and in mole. One mole are 6.02214085774 * 1023 particles, this is the Avogadro constant. At this amount of particles, the carbon isotope C 12 has the mass of 12 grams.


* 10 atoms,
which are about atoms,
or mole.

Example: one troy ounce of gold (element 79), which are 31.1034768 grams, contains about 9.5097 * 1022 or 95.1 sextillion gold atoms, a bit more than one seventh mole.

No responsibility is taken for the correctness of this information.

German: Chemie-Rechner

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