A solution is prepared by dissolving 0.3 g of a non-volatile non-electrolyte solute A of molar mass 60 g and 0.9 g of a non-volatile non-electrolyte solute B of molar mass 180 g in 100 mL at 27°C. Osmotic pressure of the solution will be: [2026]

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Solution

Q.
A solution is prepared by dissolving 0.3 g of a non-volatile non-electrolyte solute A of molar mass 60 g ${mol}^{- 1}$ and 0.9 g of a non-volatile non-electrolyte solute B of molar mass 180 g ${mol}^{- 1}$ in 100 mL $H_{2} O$ at 27°C. Osmotic pressure of the solution will be:

[Given: R = 0.082 L atm $K^{- 1}$ ${mol}^{- 1}$ ] [2026]

1 1.23 atm

2 1.47 atm

3 2.46 atm

4 0.82 atm

Ans.
(3)

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