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20 mL of CH(4) is burnt with 60 mL of O(...

20 mL of `CH_(4)` is burnt with 60 mL of `O_(2)`. If all measurement are made at the same P and T, what is the volume of unreacted oxygen?

A

10 mL

B

20 mL

C

30 mL

D

40 mL

Text Solution

Verified by Experts

The correct Answer is:
B
`CH_(4)+2O_(2)rarrCO_(2)+2H_(2)O`
The volume ratio is `1:2`, Thus, 20 mL of `CH_(4)` will react with 40 mL of `O_(2)`.
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