osmotic presure of a sugar solution at `27^(@)C` is 2.46 atmosphere. The concentration of the solution in mol per litre is :

Options

A. 1 M
B. 0.01 M
C. 0.0125 M
D. 0.1 M

Answer

D

Explanation

`pi V = nRT, pi = C R T `
`:. C= pi/(RT)= 2.46/(0.082 xx (27 + 273))=0.1 M`