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9 xx 10^(22) atoms of Ar and n moles of ...

`9 xx 10^(22)` atoms of Ar and n moles of `O_(2)` are kept in a vessel of capacity 5L at 1 atm and `27^(@)C` .
(Consider `N_(A)=6 xx 10^(23), R=0.0821 L atm "mol"^(-1)K^(-1)`) :
Find the mass of `O_(2)` in vessel:

A

17 gm

B

3.4 gm

C

1.7 gm

D

34 gm

Text Solution

Verified by Experts

The correct Answer is:
C
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GRB PUBLICATION-MOLE CONCEPT, STOICHIOMETRY & CONCENTRATION TERMS-Comprehension#87
  1. 9 xx 10^(22) atoms of Ar and n moles of O(2) are kept in a vessel of c...

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