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

  • question_answer
                                                  Which has more number of atoms, 100 g of sodium or 100 g of iron?   [Given: Atomic mass of Na = 23 u, Fe = 56 u]   

    Answer:

                      No. of moles of No. of moles of Since number of moles of Na are more than number of moles of Fe, therefore, 100 g of Na contain more number of atoms.


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