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

  • question_answer
                                       Convert into mole (i) 12 g of oxygen gas (ii) 20 g of water (in) 22 g of carbon dioxide.

    Answer:

                      (i) Number of moles of                 (ii) Number of moles of  (iii) Number of moles of


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