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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)rarr CO_(2)+2H_2O`
The volume ratio is 1:2, Thus, 20 mL of `CH_4` will react with 40 mL of `O_2`
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