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Calculate the osmotic pressure in pascal...

Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving `1.0g` of polymer of molar mass `185,000` in `450mL` of water at `37^(@)C`.

Text Solution

Verified by Experts

`pi = cRT = (n)/(V) RT`
`n = (1.0)/(185000)`
V = 450 m L
` T = 273 + 37 = 310 K`
`R = 8.314 xx 10^(3) Pa L mol^(-1) K^(-1)`.
`pi = (1.0 xx 8.314 xx 10^(3) xx 310)/(185,000 xx 450//1000)`
` = 30.96 Pa`
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