Solute A is an electrolyte and solute B is a non electrolyte.If 0.1 M solution of solute B produces an osmotic pressure of 2pthen .005M solution of A at the same temperature will produce osmotic pressure equal to ?

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Solution

Dear Mukesh Verma,

$O s m o t i c P r e s s u r e (π) = c S T o r c R T c o n s i d e r i n g u n i t o f a s π a t m . c = m o l e s / l i t r e R o r S = 0.0821 a t, l i t / m o l / K f r o m s o l u t e B w e c a n c a l c u l a t e T (i n K); g i v e n v a l u e o f π i s v e r y h i g h = 2 a t m b u t c o n s i d e r i n g i t 2 = 0.1 \times 0.0821 \times T T = 243.61 K i f T i s s a m e t h e n π c a n b e c a l c u l a t e d f o r A π = 0.005 \times 0.0821 \times 243.61 π = 0.1 a t m O s m o t i c P r e s s u r e w i l l b e 0.1 a t m R e g a r d s$

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