The relationship between osmotic pressures \( \left(\pi_{1}, \pi_{2}\right. \) and \( \left.\pi_...

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The relationship between osmotic pressures \( \left(\pi_{1}, \pi_{2}\right. \) and \( \left.\pi_{3}\right) \) at a definite temperature when \( 1 \mathrm{~g} \) glucose, \( 1 \mathrm{~g} \) urea and \( 1 \mathrm{~g} \) sucrose are dissolved in 1 litre of water is (assume \( i=1 \) for all):
(a) \( \pi_{1}\pi_{2}\pi_{3} \)
(b) \( \pi_{3}\pi_{1}\pi_{2} \)
(c) \( \pi_{2}\pi_{1}\pi_{3} \)
(d) \( \pi_{2}\pi_{3}\pi_{1} \)
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