Relative lowering of vapour pressure of al dilute solution of gluscose dissolved in 1kg of water is 0.002.The molality of the solution is

Options

A. 0.222
B. 0.004
C. 0.021
D. 0.111

Answer

D

Explanation

`(P^(0)-P)/(P^(0))=0.002implies0.002=(n_(2))/(55.55)impliesn_(2)=0.111`