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The volume of oxygen at STP required to ...

The volume of oxygen at STP required to burn g 4.2 of carbon completely is

A

1.12L

B

8.96L

C

2.24L

D

4.48L

Text Solution

Verified by Experts

The correct Answer is:
D
`C + O_(2) to CO_(2)`
`(2.4)/(12) = 0.2` mole of carbon.
`therefore 0.2` mole of carbon need 0.2 mole of `O_(2)`
Hence ,
vol of 0.2 mole `O_(2)` at STP = `0.2 xx 22.4 = 4.48L`
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