Download the app

Questions  

The weight of urea to be dissolved in 100 g. of water to decrease the vapour pressure of water by 5% is

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
20 g.
b
14.66 g
c
15.24 g
d
16.66 g.

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is D

Given, Wt. of urea(solute)=xg ; Wt. of solvent(water)=100gm

 Lowering of V.P (LVP)=5%

RLVP=5100=0.05

ns=Ws60=x60  ; no=10018 RLVP=nsns+no=nsno 0.05=x/60100/18 x=Wt. of solute=16.66g.

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?

ctaimg

Create Your Own Test
Your Topic, Your Difficulty, Your Pace



phone icon
whats app icon