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Atoms and Molecules — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceAtoms and Molecules1 Mark
Question
Which of the following statement is true about mole:
✓

Answer

  1. All of the above
Explanation:
Mole is used to find number of particles.
1 mole is equal to Avogadro number of atoms/ molecules.
It is chemist's counting unit.

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