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Flashcards in Moles anad equations Deck (5)
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1

Amount of substance

The quantity whose unit is the mole. Used as a mean of counting atoms.

2

Avogadro constant Na

The number of atoms per mole of the carbon-12 isotope (6.02x10^23 mol^-1)

3

Molar mass

The mass per mole of a substance. The units of molar mass are g mol^-1

4

Empirical formula

The simplest whole-number ratio of atoms of each element present in a compound.

5

Molecular formula

The number of atoms of each element present in a molecule.