Solutions Question 48

Question: The osmotic pressure at $ 17^{o}C $ of an aqueous solution containing 1.75 g of sucrose per 150 ml solution is [BHU 2001]

Options:

A) 0.8 atm

B) 0.08 atm

C) 8.1 atm

D) 9.1 atm

Show Answer

Answer:

Correct Answer: A

Solution:

$ \pi =CRT,=\frac{n}{V}RT $

$ =\frac{\frac{1.75}{342}}{\frac{150}{1000}}\times 0.0821\times 290 $

$ =0.8095\approx 0.81,atm $ .



NCERT Chapter Video Solution

Dual Pane