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Calculate the osmotic pressure of 5% sol...

Calculate the osmotic pressure of 5% solution urea at 273 K.

Text Solution

Verified by Experts

The correct Answer is:
18.6 atm
`pi_(B)=(W_(B)xxRxxT)/(M_(B)xxV)`
`W_(B)=5g, R=0.0821" L atm K"^(-1)mol^(-1), T=273 K`
`M_(B)=60" g mol"^(-1), V=100 m L=0.1 L`
`M_(B)=((5g)xx(0.0821"L atm K"^(-1)mol^(-1))xx(273 K))/((60" g mol"^(-1))xx(0.1L))=18.6 atm.`
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