A vessel of volume 4 litres contains a mixture of 8g of O₂, 14 g of N₂ and 22 g of CO₂ at 27⁰C.The pressure exerted by the mixture is

• A

  10 atmosphere

• B

  $5\times {10}^6\mathrm{N}/{\mathrm{m}}^2$

• C

  $7.69\times {10}^5\mathrm{N}/{\mathrm{m}}^2$

• D

  $6\times {10}^5\mathrm{N}/{\mathrm{m}}^2$