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A flask contains 4.4 g of …

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A flask contains 4.4 g of carbon dioxide. Calculate :- a)How many moles of carbon dioxide does it contain? b)How many molecules of carbon dioxide are present in the sample? c)How many atoms of oxygen are present in the give sample?

    • Posted by Tarini Kohli 7 years, 2 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Nandana Nair 7 years, 2 months ago

    Given mass=4.4g Molar mass=12+32=44u A) No:of moles =4.4/44 =0.1mol B). No:of molecules=no:of moles=6.022×10^23 =0.1×6.022×10^23 =0.6022×10^23 C). No of oxygen atoms =2

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