The osmotic pressure of decimolar solution of NaCl at 27°C is, assuming that it is completely dissociated. (R = 0.083 L bar K-1 mol-1)

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2.49 bar

4.98 bar

5.24 bar

1.26 bar

answer is B.

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Detailed Solution

π = iCRT= 2 × 0.1 × 0.083 × 300= 4.98 bar

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