Avogadro's number is the number of particles in one mole of a pure substance. true or false

True

Explanation:

A mole is defined as the amount of substance that contains Avogardro number of the substance. Avogadro's number is given by .

According to avogadro's law, 1 mole of every substance occupies 22.4 Liters at STP and contains avogadro's number of particles.

Thus the statement saying Avogadro's number is the number of particles in one mole of a pure substance is true.

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