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Question: Answered & Verified by Expert
18 gram glucose (Molar mass = 180) is dissolved in 100 mol of water at 300 K. If R = 3 0.0821L-atmmol-1K-1 what is the osmotic pressure of solution?
ChemistrySolutionsMHT CETMHT CET 2019 (Shift 1)
Options:
  • A 2.463 atm
  • B 24.63 atm
  • C 8.21 atm
  • D 0.821 atm
Solution:
1016 Upvotes Verified Answer
The correct answer is: 24.63 atm
The various quantities known to us are as follows:
R=0.0821L-atmmol-1K-1
w2=18gram
Molar mass M2=180
T=300K
V=100mL
To calculate the osmotic pressure of solution, we use the following formula,
π=w2RTM2V=18×0.0821×300×1000180×100
=24.63atm

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