1 mole of A and 1 mol3 of B are taken in a 5 litre flask, 0.5 mole of c is formed in the equilibrium of
`A+BhArrC+D`
What is molar concentration of each species if the reaction is carried with 2 mole A, 1 mole of B in a 5 litre flask at the same temperature.

Explanation

`A+B hArr C+D`
Initial `(2)/(5) " " (1)/(5) " " 0 " " 0`
`((2)/(5)-x)((1)/(5)-x) " "x " "x`
`K_(C)=( x xx x)/(((2)/(5)-x)((1)/(5)-x))`
`1=(x^(2))/(((2)/(5)-x)((1)/(5)-x))`
`x=(2)/(15)=0.133`
`:. [ A]=(2)/(5)-0.133`
`=0.2-0.133=0.067M`
`[C]=[D]=0.133M`