Question

Q.6 One mole of substance contains the same number of atoms/molecules/ions as there are atoms in exactly
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Answer 1

One mole of a substance is equal to 6.022 × 10²³ units of that substance (such as atoms, molecules, or ions). The number 6.022 × 10²³ is known as Avogadro's number or Avogadro's constant.