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Find the osmotic pressure M/20 solution ...

Find the osmotic pressure M/20 solution of urea at `27^(@)C (S = 0.0821 lit atm K^(-1) mol^(-1))`

Text Solution

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The correct Answer is:
1.2315 atm
`"C(molarity)"=1//20=0.05"mol L"^(-1),R=0.0821" L atm K"^(-1)mol^(-1)`
`T=27^(@)C=27+273=300K`
`"Osmotic pressure "(pi)=CRT`
`=(0.05"mol L"^(-1))xx(0.0821" L atm K"^(-1)mol^(-1))xx(300K)=1.2315 atm.`
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