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40 grams of a sample of carbon on combus...

40 grams of a sample of carbon on combustion left 10 % of it unreacted . The volume of oxygen required at STP for this combustion reaction is

A

`22.4 L`

B

`67.2 L`

C

`11.2 L`

D

`44.8 L`

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The correct Answer is:
B
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