Moles, Avogadro's Number, Gram to Mol Conversions

Flashcards covering key vocabulary and concepts related to moles, Avogadro's number, and gram-to-mole conversions.

Mole

The amount of a substance whose mass in grams is numerically equal to its molecular or formula weight.

Avogadro's number (NA)

6.022 x 10^23; the number of formula units in one mole of any substance.

Molecular Weight (MW)

The average mass (in amu) of one molecule of a substance.

Molar Mass

The mass (in g/mol) of one mole of a substance.

Gram-to-Mole Conversions

Conversions that use molar mass as a conversion factor between number of moles and mass.

Formula weight

The average mass of one formula unit of an ion, equivalent to molecular weight for ionic compounds.

Atomic weight/atomic mass

The average mass of an element’s atoms.