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At 300K,36g of glucose present per litre...

At `300K,36g` of glucose present per litre in its solution had an osmotic pressure `4.98 ` bar. If the osmotic pressure of solution is `1.52` bar at the same temperature, what would be its concentration.

A

`1.6M`

B

`0.61M`

C

`0.061M`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`pi_(1)V = n_(1)RT`
`pi_(2)V = n_(2)RT`
`(pi_(1))/(pi_(2)) = (n_(1))/(n_(2))`
`n_(1) = 36//180 = (1//5)` mol
`pi_(1) = 4.98` bar
`pi_(2) = 1.52` bar
`(4.98)/(1.52) = (1//5)/(n_(2))`
`n_(2) = (1.52)/(4.98 xx 5) = 0.061 M`
Osmotic pressure is a colligative property
`:. 0.061M` Glucose `= 0.061M` Urea
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