Convert into moles (1) 12g of oxygen gas (2) 22gof carbon dioxide

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asked Dec 8, 2018 in Class XI Chemistry by Ojasvi gupta (11 points)
Atoms and molecules

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1 Answer

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answered Dec 8, 2018 by Amresh Pro (116 points)
As we know Oxygen gas has the formula O2
So, Molar mass of O2 is 16 g/mol.
Then,
(i) 12 g of oxygen gas in moles is,
     moles=12/16=3/4= 0.75moles.
(ii) molar mass of CO2=12+16=28g/mol.
      So, moles=22/28=11/14~ 0.78 moles.

I hope you liked This!
Regards,
Amresh

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