A) 2.10 mol
B) 0.0093 mol
C) 0.186 mol
D) 0.210 mol
Correct Answer: B
Solution :
\[\because \]Volume of\[{{O}_{2}}\]in one litre air\[=\frac{21}{100}\times 1000\] \[=210mL\] \[\therefore \]Number of moles of\[{{O}_{2}}\]in 1 L \[=\frac{210}{22400}=0.0093\]
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