Question

The osmotic pressure of 0.1M sodium chloride solution at 27∘C is

Answer 1

Ans is 4.92 atm
See the solution

Answer 2

The osmotic pressure of 0.1 M Sodium Chloride solution at 27-degree centigrade is 4.92 atm.

Explanation:

• The osmotic pressure is the minimum amount of the pressure that must be applied to a solvent to not to get dissolved in a given particular solution through the process of the Osmosis.

• It can be calculated very easily by the formula: Osmotic Pressure = iCRT.

• In the above formula, i is the Vant Hoff factor for the given solution, C is the concentration, R is the gas constant and T is given temperature.

• For Sodium Chloride, the Vant Hoff factor i value will be 2 and the given temperature is 27 degrees centigrade.

• By converting it to the Kelvin scale it will become 300K and the concentration of the solution is 0.1 M and R will be 0.0821 which is a fixed one.

• So the equation will be:

• Osmotic Pressure =  $2\times (0.1)\times (0.0821)\times 300 = 4.92.$ atm.

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