Question

the osmotic pressure of 0.5 m aqueous solution of cane sugar at 300 K (0.0821 L atm K-1 mol-1)

• 0.123 atm
• 6.12 atm
• 12.3 atm
• 1.23 atm
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Answer 1

The Formula for osmotic pressure:

π=CRT

(π=Osmotic pressure, C=concentration, R=gas constant, T= temperature)

π=(0.5)(0.0821)(300)

π=12.315 atm≈12.3 atm

Therefore option (c) is correct.

Answer 2

Answer:

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