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1 ~g of polymer having molar mass 1,60,000 ~g is dissolved in 800 ~mL water. Calculate the osmotic pressure in pascal at 27^ C . (R=8.314 ~J ~K ⁻¹ ~mole ⁻¹ )

Options

  1. A19.4
  2. B0.90
  3. C0.50
  4. D1.20

Correct answer

A. 19.4

Step-by-step solution

=C R T = 1 1.6 10^5 8.314 300 800 10⁻⁶ =19.4 ~Pa

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