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  • The volume of oxygen at STP Requires to burn  0.8 g of carbon completely is?Option: 1 15 L<stron

The volume of oxygen at STP Requires to burn  0.8 g of carbon completely is?

Option: 1

15 L


Option: 2

14.5 L


Option: 3

13 L


Option: 4

14 L


Answers (1)

     \mathrm{\mathrm{C}(\mathrm{s})+\mathrm{O}_2(\mathrm{~g}) \longrightarrow \mathrm{CO}_2(\mathrm{~g})}

= 1 mole       1 mole                 1 mole 

=12g               32 g                   44 g

\mathrm{12 \mathrm{gm} \text { of } c \text { Requires } \rightarrow 1 \text { mole of } O_2}

\mathrm{=\frac{8}{12}=\text { Moles ot } O_2 \text { atSTP }}

\mathrm{\text { volume }=\frac{22.4 \times 8}{12}=14.9 \mathrm{~m} =15 \mathrm{~L}}

 

Posted by

Sumit Saini

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