50. The capacity of a vessel is 3 litres. It contains 6 gm oxygen, 8 gm nitrogen and 5 gm

CO₂ mixture at 27°C. If R = 8.31 J/mole  kelvin, then the pressure in the vessel in N/m²  will be (approx.)

(a)  5×10⁵                              (b) 5×10⁴

(c) 10⁶                                   (d) 10⁵

Answer-a