At 27°C, a solution containing 2.5 g of solute in 250.0 mL of solution exerts an osmotic pressure of 400 Pa. The molar mass of the solute is g mol⁻¹ (Nearest integer)

(Given: )

Question

At 27°C, a solution containing 2.5 g of solute in 250.0 mL of solution exerts an osmotic pressure of 400 Pa. The molar mass of the solute is  g mol⁻¹ (Nearest integer)

(Given: )

Canvas Classes · Accepted Answer

Strategy:
 Osmotic pressure () is given by , where  is mass and  is molar mass. Ensure all units are consistent (Pressure in bar, Volume in L, Temperature in K).

Step 1: Convert units for consistency
- 
- 
- . Since , .

Step 2: Calculate the molar mass ()
Using :
- 
-

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