2. Questions Bank
  3. 9th Class
  4. Science
  5. Atoms and Molecules

9th Class Science Atoms and Molecules Question Bank 9th CBSE Science Atoms and Molecules

  • question_answer
                                                   Give three significance of mole.

    Answer:

                      (a) One mole represents 6.022 x 1023 entities of a substance. (b) One mole of an element contains 6.022 x 1023 atoms of the element. (c) One mole of a substance represents one gram formula mass of the substance.


You need to login to perform this action.
You will be redirected in 3 sec spinner