25. What is the osmotic pressure of a 0.0020 mol
dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 )
a. 4870 Pa
b. 4.87 Pa
c. 0.00487 Pa
d. 0.33 Pa
Ans. a
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