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The number of moles of oxygen in 1 L of ...

The number of moles of oxygen in 1 L of air containing 21% oxygen by volume, in standard conditions, is

A

0.186 mol

B

0.21 mol

C

2.10 mol

D

0.0093 mol

Text Solution

Verified by Experts

The correct Answer is:
D
1 L of air = 210 cc `O_(2)`
22400 cc = 1 mole
210 cc `=1/22400xx210=0.0093`
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