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Avogadro constant = 6.02214076e+23 1/mol

reference

The avogadro constant is 6.02214076e+23 1/mol (exact by definition) — exact since 2019 SI. Verified physical constant.

source

Verified reference — physical_constants

card id

card_ref_pc_avogadro_constant

adjoining cards

on the shelf of → The physical constants — the fixed numbers of creation — a physical constant
demonstrates → The speed of light is a defined exact number — A worked demonstration in the same field (physical_constants).