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Chemistry Question on Colligative Properties

Osmotic pressure of 0.4% urea solution is 1.64 atm and that of 3.42% cane sugar is 2.46 atm. When the above two solutions are mixed, the osmotic pressure of the resulting solution is:

A

0.82 atm

B

2.06 atm

C

1.64 atm

D

4.10 atm

Answer

2.06 atm

Explanation

Solution

π=1.66+2.462=2.06atm\pi=\frac{1.66+2.46}{2}=2.06 atm