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  3. 9th Class
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  5. Atoms and Molecules

9th Class Science Atoms and Molecules

  • question_answer 22)
    Convert into mole. (a) 12 g of oxygen gas         (b) 20 g of water (c) 22 g of carbon dioxide  

    Answer:

    (a) Molar mass of  Number of moles in   (b) Molar mass of  Number of moles in   (c) Molar mass of  Number of moles in  


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