Avogadro arvu NA, mis määrab aineosakeste (aatomite, molekulide või ioonide) arvu ühemoolises ainehulgas, leppeliselt kinnistatud väärtus on 6,022 140 76 ×1023 mol-1
conventional fixed value of the Avogadro constant NA is 6,022 140 76 ×1023 mol-1
The Avogadro constant NA is a proportionality constant between the quantity amount of substance (with unit mole) and the quantity for counting entities (with unit one, symbol 1).
