Question

Calculate the osmotic pressure of 0.2 M aqueous solution of nonelectrolyte at 300 K. 

[R = 0.082 atm dm³ mol⁻¹K⁻¹]

Options

• 1.23 atm

• 2.46 atm

• 7.38 atm

• 4.92 atm

Answer 1

4.92 atm

Explanation:

π = M × R × T

π = 0.2 × 0.082 × 300

= 4.92 atm