If R=8.31 \( j k g^{- 1}{m} o l^{- 1} \) then find the volume of 20g oxygen at 27°C and 72 cm-Hg pressure.

A \( 16.24 × 10^{- 3} m^{3} \)

B \( 26.24 × 10^{- 3} m^{3} \)

C \( 16.24 × 10^{- 2} m^{3} \)