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The air contains 78% N(2) & 22% O(2) by ...

The air contains 78% `N_(2)` & 22% `O_(2)` by volume. The volume occupied
by 40 gm air at `20^(@)C` & 745 mm Hg pressure approximately.

A

34lit.

B

34 ml

C

3.6 lit.

D

3.4 lit.

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