Avogadro's number:
A6.022 × 10²³ /mol (number of particles per mole)
B10⁶
C13.6
D9.8
Answer & Solution
Correct answer: A. 6.022 × 10²³ /mol (number of particles per mole)
N_A = 6.022 × 10²³ /mol. 1 mole = N_A elementary entities (atoms, molecules, ions). Foundation of stoichiometry; relates micro to macro.
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