Question

2gm of $O_2$ at 27${}^{\circ }$C and 760 mm of Hg pressure has volume

• A. 1.5 lit.
• B. 2.8 lit.
• C. 11.2 lit.
• D. 22.4 lit.

Answer 1

The correct option is A

1.5 lit.

$P=760mm=1atmR=0.0821L.atm{K}^{-1}mol{e}^{-1}V=\frac{nRT}{P}=\frac{2}{32}\times \frac{0.0821\times 300}{1}=1.5L$