when 20g of napthoic acid(C11H8O2)is dissolved in 50g of benzene(Kf=1.72K kg/mol), a freezing point depression of 2K is observed.what is the van't Hoff factor (i)
Asked by Muneet Kaur Arora
| 20th Jul, 2010,
08:48: PM
Expert Answer:
M = (11x12) + 8 + (2 x 16) = 132 + 8 + 32 = 172
mass = 20 g
ΔTb = i. Kb . m
2 = (i x 1.72 x 20 x 1000) / (172 x 50)
i = 0.5
Answered by
| 22nd Jul, 2010,
10:22: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change