A company dissolves ' x ' amount of CO _ 2 at 298K in 1 litre of...

Using Henry’s law
P_gas = K_H .X_gas

_{${10}^{- 3}X0 . 835 = 1 . 67\left[\dfrac{{n}_{{CO}_{2}}}{{n}_{{CO}_{2}} + 55 . 5}\right]{10}^{- 3}X0 . 5 = \left[\dfrac{{n}_{{CO}_{2}}}{{n}_{{CO}_{2}} + 55 . 5}\right]\dfrac{{n}_{{CO}_{2}}}{55 . 5} = 0 . 5X{10}^{- 3}{n}_{{CO}_{2}} = 27 . 75X{10}^{- 3}{W}_{{CO}_{2}} = 27 . 75X{10}^{- 3}X44 = 1221X{10}^{- 3}g$}