On subjecting 10 mL mixture of \[{{N}_{2}}\] and CO to repeated electro spark, 7 mL of \[{{O}_{2}}\] was required for combustion. What was the mole percent of CO in the mixture? (All volumes were measured under identical conditions)

On subjecting 10 mL mixture of \[{{N}_{2}}\] and CO to repeated electr

1.	On subjecting 10 mL mixture of \[{{N}_{2}}\] and CO to repeated electro spark, 7 mL of \[{{O}_{2}}\] was required for combustion. What was the mole percent of CO in the mixture? (All volumes were measured under identical conditions)
A.	60
B.	40
C.	6
D.	4
Answer» B. 40

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On subjecting 10 mL mixture of \[{{N}_{2}}\] and CO to repeated electro spark, 7 mL of \[{{O}_{2}}\] was required for combustion. What was the mole percent of CO in the mixture? (All volumes were measured under identical conditions)

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