# AP® Chemistry

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APCHEM-KNPJFE

A

Avogadro's​ number is the number of particles in one mole of $6.022 \times 10^{23}$ g of any element.

B

The molar mass of a substance will contain $6.022 \times 10^{23}$ molecules.

C

There are $6.022 \times 10^{23}$ g of carbon in 12 mol of C-12.

D

$6.022 \times 10^{23}$ atoms of any element will have the exact same mass, regardless of the identity of the element.