A) 0.246 mole
B) 0.07438 mole
C) 2.0078 mole
D) 0.0093 mole
Correct Answer: D
Solution :
Air contains 21% of oxygen \[\therefore \]volume of oxygen\[=\frac{21}{100}=\]0.21 litre \[\therefore \]Number of moles of oxygen present in 0.21 litre at NTP\[=\frac{0.21}{22.4}=0.0093\]You need to login to perform this action.
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