Question

At 10°C, the osmotic pressure of urea solution is 500 mm. The solution is diluted and the temperature
is raised to 25°C, when the osmotic pressure is found to be 105.3 mm. Determine extent of dilution
faingon with osmotic pressure 12 aim at 25°C is mixed with 300 mL aqueous​

Answer 1

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12th

Chemistry

Solutions

Colligative Properties and Determination of Molar Mass

At 10oC , the osmotic press...

CHEMISTRY

At 10

o

C, the osmotic pressure of urea solution is 500 mm. The solution is diluted and the temperature is raised to 25

o

C, when the osmotic pressure is found to be 105.3 mm. Determine extent of dilution.

November 22, 2019

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Tanya Yesha

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ANSWER

We have the equation π=iCRT

As urea is non-electrolyte, i=1

π

solution

=iC

solution

RT

1

−−−−−−−−>1

π

solution

=iC

solution

RT

2

−−−−−−−−>2

Dividing Equation 1 and 2,

π

solution

π

urea

=

C

sosolut

5C

solution

=C

urea