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Two solutions of glucose have osmotic pr...

Two solutions of glucose have osmotic pressures 1.5 and 2.5 atm. 1 litre of first solution is mixed with 2 litre of second solution. The osmotic pressure of the resultant solution will be:

A

1.62 atm

B

6.12 atm

C

1.26 atm

D

2.16 atm

Text Solution

Verified by Experts

The correct Answer is:
D
`pi_(1)V_(1) + pi_(2) V_(2)= pi_(R ) (V_(1) + V_(2))`
`1.5 xx 1 + 2.5 xx 2 = pi_(R ) xx 3 rArr pi_(R )= (6.5)/(3)= 2.16` atm
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